Question

what were the various challenges that they faced in their historic climb​

Answer 1

Answer:

One and most occurring problem is altitude sickness. High Altitude Pulmonary Edema, High Altitude Cerebral Edema and hypothermia are some of the major altitude sickness. The other problems in mountaineering include the avalanches, falling ice, falling rocks and crevasse.

Answer 2

Answer:

initially the surface was frozen that they had to use the ice-axe to kick Really hard to get crampons to bite into the frozen surface. the c.imb become difficult between south summit and Hillary's step. further icy-wind slowed their ascent a little.