KATHMANDU, April 8: As the spring season begins, mountaineers have started heading for the mountains, including Mount Everest. Disabled-abled climber Xia Boyu, a 70-year-old Chinese, is among the mountaineers aiming to climb Mount Everest this spring. This is going to be Xia’s fifth attempt to climb Everest. The Department of Tourism (DoT) has said that the Chinese climber set off for Mt Everest last week.