https://www.youtube.com/watch?v=bAIwZDAtlUc Two German adventurers have become the first people to ever ascend to the top of the 6,465-metre-high Purbung peak in the Himalayas. Nicolas Scheidtweiler, 45, who hails from the northern German city of Bremen, and Jost Kobusch, 29, who is from the eastern German city of Chemnitz in the…