KATHMANDU, May 21 (Reuters) - Four British climbers became the first to scale Mount Everest on Wednesday using Xenon gas, which helped them save several weeks that mountaineers need to get used to ...

Four British climbers became the first to scale Mount Everest on Wednesday using Xenon gas, which helped them save several weeks that mountaineers need to get used to high altitudes, an official ...

Britons Become First to Scale Mount Everest With the Help of Xenon Gas, Organiser Says By Gopal Sharma KATHMANDU (Reuters) -Four British climbers became the first to scale Mount Everest on ...