view from top of chhukung hill over lhotse wall with rock cairns in the foreground, everest base camp trek, nepal

3 adventure base beautiful blue cairns camp chhukung chukhung chukung climber climbing ebc everest extreme flags glacier high hike hiker hiking himalaya ice khumbu landscape lhotse mountain mountains nature nepal outdoor passes peak people piles prayer range rock sagarmatha sky snow sport stones summit top tourism travel trek trekking view viewpoint winter