[HN Gopher] Eight-mile frieze of Ice Age beasts found in Amazon ...
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       Eight-mile frieze of Ice Age beasts found in Amazon rainforest
       (2020)
        
       Author : vinnyglennon
       Score  : 159 points
       Date   : 2023-06-25 16:40 UTC (6 hours ago)
        
 (HTM) web link (www.cnn.com)
 (TXT) w3m dump (www.cnn.com)
        
       | atentaten wrote:
       | Can someone explain what eight-mile has to do with any of this?
       | It's only mentioned in the title and not in the article's text.
        
         | noSyncCloud wrote:
         | I found this paragraph on Wiki:
         | 
         | >A site including eight miles of paintings or pictographs that
         | is under study in Colombia, South America at Serrania de la
         | Lindosa was revealed in November 2020. Their age is suggested
         | as being 12,500 years old (c. 10,480 B.C.) by the
         | anthropologists working on the site because of extinct fauna
         | depicted.
         | 
         | - https://en.wikipedia.org/wiki/Rock_art -
         | https://www.theguardian.com/science/2020/nov/29/sistine-chap...
        
         | olddustytrail wrote:
         | There are 3 sites within 8 miles of each other.
        
       | tomrod wrote:
       | Fascinating!
        
       | billsmithaustin wrote:
       | I would not have guessed any of those were mastodons.
        
         | olddustytrail wrote:
         | Why would you? I never even knew there _were_ mastodons in
         | South America until today.
        
       | oidar wrote:
       | The rectangles seem suggestive of agriculture as well.
        
         | akiselev wrote:
         | Primitive forms of agriculture ("intensive gathering" and
         | cultivation) among hunter gatherers were around long before
         | sedentary agriculture developed, on the order of 10,000 years
         | or more [1]
         | 
         | [1]
         | https://journals.plos.org/plosone/article?id=10.1371/journal...
        
       | olddustytrail wrote:
       | > frieze of Ice Age beasts
       | 
       | I wonder how long the headline writer has been waiting for an
       | opportunity to use _that_ one!
        
       | froggit wrote:
       | More evidence you can find anything on Amazon.
        
       | oldstrangers wrote:
       | "probably made around 11,800 to 12,600 years ago"
       | 
       | Interesting timeline if you're entertained by the 'lost
       | civilization' / cataclysm discourse.
        
         | bcraven wrote:
         | The ABC (Aussie) documentary _First Footprints_ is one of the
         | most mind-boggling documentaries I have ever seen. It covers
         | 50,000 years of Australian history.
         | 
         | https://www.theguardian.com/tv-and-radio/australia-culture-b...
        
       | IG_Semmelweiss wrote:
       | I had a hard time believing the 1st image were the actual
       | drawings found. They look extremely well preserved, and quite
       | frankly, gorgeous!
        
       | nkingsy wrote:
       | At the very end of the article, they state that local communities
       | knew of and lead researchers to this art as a side effect of
       | demilitarization of the area.
       | 
       | So not exactly "found", more "officially documented".
        
         | roughly wrote:
         | "Columbused: discovered for white people"
        
         | lostlogin wrote:
         | You hit a similar thing with the language used to describe
         | European colonising explorers 'discovering' populated lands.
         | When was Australia discovered? When was New Zealand discovered?
        
           | jahewson wrote:
           | I never understood this artificially forced point. Any
           | explorer can only "explore" from the frame of reference of
           | their culture's knowledge. Even Australia's indigenous
           | population has distinct groups from different origins and
           | necessarily different "discoveries".
        
             | darkerside wrote:
             | Yes. The argument is over whether one frame of reference is
             | valid and another is not, and why.
        
               | bagacrap wrote:
               | To discover simply means to find. If I'm playing hide and
               | seek, and my location is uncovered, I might cry out "you
               | found me!" This is not to deny that I existed or knew of
               | my own whereabouts prior to being located.
               | 
               | To say that some European "discovered" Australia is
               | simply a statement that they found something they didn't
               | hitherto know about. There's no implication of validity.
        
           | goatlover wrote:
           | At different times by different people. Humans were not the
           | first hominids out of Africa.
        
           | mrkstu wrote:
           | The way I approach that is by any civilization with an
           | existing written corpus going back in time- European/Chinese
           | for example.
           | 
           | If the Chinese had knowledge of the Americas they'd have been
           | the 'discoverers' in mondernity.
           | 
           | Without written continuity it's hard to credit discoverers...
        
         | hobs wrote:
         | A significant amount of archeology is like this - Las Monedas
         | cave (for example) has prehistoric cave paintings, but its
         | named after someone dropped 20 coins (or so) in it in the
         | 1700s, many caves that were "discovered" in a modern sense just
         | mean in the context of described by science.
        
           | bpicolo wrote:
           | Petra is another one that comes to mind
        
       | pentagrama wrote:
       | The title font is really hard to read. Thanks Firefox for your
       | reader mode.
       | 
       | Someone here browse the web blocking remote fonts? How was your
       | experience? I know uBlock Origin has this option, I may give it a
       | try.
        
         | froggit wrote:
         | I block remote fonts w/ ublock! It's pretty handy in a "I
         | always know text is gonna be rendered with a font I can read
         | and it cuts down on having to make the connections to get them.
         | ublock has a bit of a learning curve (half an hour reading on
         | their wiki) to get the most outta it, but just blocking remote
         | fonts just takes a couple clicks in check boxes.
        
           | pentagrama wrote:
           | Just tried for a bit, all good til I noticed in some sites
           | using icon fonts I got a weird character, it make sense, but
           | is a problem there, specially for icons without labels, eg:
           | https://imgur.com/a/8D1OC9n
           | 
           | Don't know why devs will use fonts instead of svgs for icons,
           | I guess there is a reason.
        
         | velosol wrote:
         | I have and briefly the majority of the time you're missing
         | little to nothing by not using webfonts. Occasionally the
         | design language of a physical media property is carried forward
         | with the font in a way that is interesting enough to be
         | worthwhile (ie _The Atlantic_'s title font is instantly
         | recognizable but not critical).
         | 
         | If you're bandwidth starved (ie ISDN or worse) then it's also a
         | nice speedup.
        
           | pentagrama wrote:
           | Yeah, but as I mentioned in other comment, I found many
           | issues with icons by blocking remote fonts, look at Google
           | Podcasts https://imgur.com/a/6de4uNL
        
       | qup wrote:
       | What is "eight-mile" referencing? It's totally unclear to me.
        
         | version_five wrote:
         | If you had one shot to paint any frieze you ever wanted, would
         | you capture it, or just let it slide?
        
       | jibbit wrote:
       | I struggle to find an outdoor paint that lasts 2 years
        
         | someweirdperson wrote:
         | It's the fault of modern regulation, requiring it to never
         | cause health issues or problems for the environment.
        
           | mistercheph wrote:
           | Yes, 20,000 years ago, people used cancer-causing chemicals
           | to dye rocks that have been regulated out of existence, no
           | small part of the improvements in mortality since that
           | primitive time.
        
         | trompetenaccoun wrote:
         | It seems to be an overhang, but still... I've also never seen
         | that anywhere in the tropics. Are there others? All the rock
         | paintings I know are either in caves or very different
         | climates.
        
       | roger_ wrote:
       | Where could one find high resolution photos of these?
        
       | seaknoll wrote:
       | I've been here and to a few other, equally spectacular sites in
       | this general part of Colombia. They're well-known among local
       | people, but some are VERY hard to get to (freight or chartered
       | plane to a community completely unattached to the rest of the
       | country by road + hours-long boat journey + hours of hiking).
       | 
       | They can be quite sad though, e.g. the relatively newer images
       | depict colonization encroaching upon the region - horses
       | (introduced by the colonists), swords, and scenes that appear to
       | show imprisonment of people.
        
         | cardamomo wrote:
         | The "relatively newer" images you refer to seem to be nearly
         | 12,000 years newer than the images mentioned in this article.
         | They're likely from a different culture entirely.
         | 
         | EDIT: Changed "older" to "newer."
        
           | seaknoll wrote:
           | The images are of various ages. This article describes the
           | subset that are the oldest, but there are newer ones mixed
           | in. In some places you get layers of them, where you can see
           | that the older ones were drawn over. They can estimate how
           | much later they were added based on the presence of animals
           | and objects that did not exist there 12,000 years ago.
           | 
           | It's true that there's a huge gap in time between the
           | earliest paintings and the newer ones and so some aspects of
           | the culture probably did change. But the area has been
           | continuously populated for millennia.
        
           | olddustytrail wrote:
           | You mean 12k years newer, not older.
        
             | freedomben wrote:
             | I'm not positive what GP meant either, but if they were
             | talking about horses, that is mentioned in the article as
             | being there about 12,000 years ago, which is significantly
             | before colonization that first GP mentioned as having
             | brought horses to the area:
             | 
             | > _the rock art shows how the earliest human inhabitants of
             | the area would have coexisted with Ice Age megafauna, with
             | pictures showing what appear to be giant sloths, mastodons,
             | camelids, horses and three-toed ungulates with trunks._
        
               | amatic wrote:
               | Apparently, there were horses in the Americas, but they
               | went extinct about 12k years ago, along with the other
               | megafauna. What I understand is that different images
               | could have been made in multiple time periods, from the
               | first inhabitants up to today.
        
               | gort52467 wrote:
               | s/went extinct/were hunted to extinction by man
        
               | atlantic wrote:
               | Blaming megafauna extinction on humans aligns with
               | current misanthropic fashions, but rapid global warming
               | at the end of the last ice age is a far more likely
               | culprit.
               | https://www.nature.com/articles/s41467-021-21201-8
        
               | mc32 wrote:
               | Horses are not extinct.
        
             | cardamomo wrote:
             | Yes, that's what I meant!
        
       | AndrewKemendo wrote:
       | I wonder if it's possible that these were documenting something
       | that they were losing, or had lost, as opposed to simply just a
       | document to how they were living currently. Like a historical
       | record of sorts.
       | 
       | That specific period 18000 years ago, was the middle-end of the
       | quaternary megafauna extinction [1] and the earth was
       | transitioning from plenty of mega fauna to none - leading to the
       | birth of property and modernity.
       | 
       | [1] https://kemendo.com/Myth.pdf
        
       | LouisSayers wrote:
       | In the paintings there are many cosine / sine wave type patterns,
       | as well as www type patterns as well.
       | 
       | Any ideas what these are referring to? It seems like they're
       | documenting something?
        
       | bpodgursky wrote:
       | > coexisted with Ice Age megafauna, with pictures showing what
       | appear to be giant sloths, mastodons, camelids, horses and three-
       | toed ungulates with trunks
       | 
       | "Coexisted" is a loaded term given that the coexistence lasted
       | for maybe a couple hundred years before every single one of those
       | was hunted to extinction.
        
         | trompetenaccoun wrote:
         | That's a theory but not proven. Could have been climate change
         | too, or another cause.
        
       | abeppu wrote:
       | Is it surprising that a mere overhang in the rock has been
       | sufficient to preserve art for that long? It sounds like they
       | really are just pigment on cleaned rock, and I would have thought
       | that water dripping, wind, lichens, animals or _something_ over
       | the millennia would have ruined it.
        
         | ChatGTP wrote:
         | Same with Australian Aboriginal paintings, some very ancient,
         | some had been repainted yes but even the fact the images last
         | 100 years is pretty amazing.
        
         | crazygringo wrote:
         | I too was baffled by this, in my experience modern _paint_ isn
         | 't going to last that long. But I looked it up and supposedly:
         | 
         | > _Because ochre is a mineral, it doesn 't wash away or decay,
         | allowing it to persist through the ages._ [1]
         | 
         | > _...the ancient artisans of Babine Lake in British Columbia
         | harvested ochre sediment... Then, MacDonald says, they
         | carefully heated it to around 750 to 850 degrees Celsius over
         | open-hearth fires to achieve the colour they desired... Not
         | only would the process yield the vivid red, the ancient
         | artisans must have known, but it would "improve colourfastness,
         | stability and resistance to degradation", the scientists'
         | article says... The iron in the material bonds easily to
         | surfaces that are high in silica, like the rock faces, ensuring
         | their durability._ [2]
         | 
         | So it seems it's due to actual chemical bonding.
         | 
         | Which makes me wonder -- if you applied ochre to rock today,
         | how hard would it be to then remove? Would it be impossible
         | with regular washing, would you need power washing, or
         | sandblasting even?
         | 
         | [1] https://www.livescience.com/64138-ochre.html
         | 
         | [2] https://www.theartnewspaper.com/2019/11/21/scientists-
         | uncove...
        
           | flybrand wrote:
           | > how hard would it be to then remove?
           | 
           | Permanent graffiti through science!
        
             | jvm___ wrote:
             | City workers hate that teenagers learned this one trick...
        
           | soligern wrote:
           | [dead]
        
       | dudinax wrote:
       | +1 for the theory that humans wiped out the megafauna in America.
        
       | hrpnk wrote:
       | "(2020)" missing in the title? Story was published 1:51 PM EST,
       | Wed December 2, 2020.
        
       | [deleted]
        
       | RagnarD wrote:
       | Every square millimeter of this work needs to be digitized in
       | high color resolution with 3D scans, ASAP.
        
       | [deleted]
        
       | wumms wrote:
       | Covered eight years ago (2015):
       | https://www.theguardian.com/world/2015/jun/20/colombia-wilde...
       | 
       | Edit: Channel 4 (UK) documentary from 2020 [0,1] as teased here
       | [2]
       | 
       | [0] https://youtu.be/aDmKC_h9Www
       | 
       | [1] Show me the paintings! https://youtu.be/aDmKC_h9Www?t=3073
       | 
       | [2] https://www.theguardian.com/science/2020/nov/29/sistine-
       | chap...
        
         | wswope wrote:
         | Just to add-on: Channel 4 has also put out related "Lost
         | Kingdoms of Africa/South America/Central America" series, all
         | of which are well-done and showcase offbeat archaeological
         | sites in the same vein as this frieze.
         | 
         | https://www.bbc.co.uk/search?q=lost+kingdoms&d=programmes_ps
        
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