Archaeologists discovered ancient human remains, Mayan relics and the bones of Ice Age animals in what's believed to be the largest flooded cave in the world.
원문출처 : https://www.cnn.com/videos/world/2018/02/21/ancient-human-remains-found-in-flooded-cave-mexico-orig-llr.cnn
원문출처 : https://www.cnn.com/videos/world/2018/02/21/ancient-human-remains-found-in-flooded-cave-mexico-orig-llr.cnn