Climbing Mt. Everest (8848m) again. I will try Lhotse (8516m) without supplemental oxygen. The expedition leader Mr. Kim Chang-ho will try Mt. Everest "from o to 8848" which means he and another one member will Kayaking through Ganges river, bicycling to Tumlingtar (482m), trekking to the Everest base camp, and climbing without supplemental oxygen to the top of Mt. Everest.