Using the tools he had/ normal climbing equipment. 

Many human desires can be traced back to a biological/reproductive advantage. We enjoy eating high-energy foods, a behaviour which would have been as beneficial to our ancestors as it is detrimental to the health of modern desk jockeys. Similarly, we find certain members of the opposite sex attractive, and this is probably because they posess attributes which are favourable to reproduction.

Why do many people find beauty in wild and barren landscapes that are poorly suited to human survival? It seems logical that we would be attracted to rivers, lakes and verdant landscapes because they contain resources useful for survival, so why do we find beauty in high mountains and deserts?

During a walk last Easter to the Summit of Mt Kosciuszko (Australia's highest mountain) I  was suprised to spot some fish swimming in a small pool approximately 200M from the top of the mountain. The pool appeared to be a small man-made drainage channel that drained under the walkway. My question is how did the possibly get there? The mountain is covered in freezing snow for most of the winter months (July - September) so I thought it unlikely that they woud survive. They cannot have existed there since day dot. Did someone put them there?