This article is an embarrassment to the anglophone world. The rock art in Chiribiquete is already well-known in Colombia. Perhaps this expedition discovered some new cliffs with paintings, or perhaps not. I doubt it personally, more like they got a film crew there. But the article gives the distinct impression that Colombians (including the indigenous people of the amazon basin) themselves aren't capable of discoveri…
There is even a Wikipedia article on this already: https://en.wikipedia.org/wiki/Chiribiquete_National_Park That contains pictures of the rock art that goes back to 2013. Maybe "discovered" is the wrong word or they knew it would get clicks.
There's even a documentary from 2015 called Colombia Wild Magic available on Netflix and Amazon Prime: https://youtu.be/qY-lL8GscUo?t=167