A special cave in Spain famed for the extensive prehistoric art in its walls was excavated for the first time by scientists, uncovering pretty fascinating idea on what ancient Neanderthals and modern humans used the cave for, and how long they of which it was used.
The Amazon Valley is the globe's second stream and among the foremost important rivers on the globe. It boosts the most groundwater by capacity of every stream, and has the world's biggest type of headwaters dolphin, 100 kinds of electrified salmon, including up to 60 varieties of piranhas.