While tracking white-lipped peccaries and gathering environmental data in forests that link Brazil's Pantanal and Cerrado biomes, researchers discovered ancient cave drawings made by hunter-gatherer societies thousands of years ago.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/9...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/9...