sentences:  Somehow the group does make it to Yogistan, where they hire Yogistani porters, parodies of the Sherpas who were the indispensable indigenous porters and mountain guides (and sometimes climbing partners) to many of the great mountaineering expeditions.However, the Yogistanis do not share the invariable positive attributes of the Sherpa — quite the contrary.Hijinks ensue, as the expedition cook, "Pong", produces food so inedible that the expedition tries (unsuccessfully) to continue on up the mountain without him; the inevitable fall into a crevasse leads to the consumption of the party's champagne (brought along to celebrate reaching the summit and for "medicinal purposes") during the rescue attempt; and scientist Wish embarks on a never-ending quest for "Wharton's warple", an endangered species indigenous to the mountains.