Everest remains one of the safest tall ultra high altitude peaks to climb simply because of all the infrastructure.
珠穆朗玛峰仍然是最安全的超高海拔山峰之一,仅仅是因为那里的基础设施。
当月 科学60秒-科学美国人
Last Tuesday, after several delays, tech billionaire Jared Isaacman's chartered SpaceX flight finally took off and reached a peak altitude of about 870 miles (1,401 kilometers).