For more than 12,500 years, one of the world's largest collections of prehistoric rock paintings lay undiscovered in Colombia's Amazonian rainforest.
원문출처 : https://www.cnn.com/travel/article/rock-art-serrania-la-lindosa-colombia-last-journey-scn/index.html
원문출처 : https://www.cnn.com/travel/article/rock-art-serrania-la-lindosa-colombia-last-journey-scn/index.html