虽然半圆石台一跃冲下是违法的，但是约塞米蒂国家公园极限跳伞依然很受欢迎。登山者说跳伞降落至峡谷比徒步翻山而下更加快捷，更有乐趣。 摄影：Lynsey Dyer Leaping from Half Dome is illegal, but in Yosemite the sport of BASE jumping is soaring in popularity anyway. Climbers say it's faster (and more fun) to parachute into the valley than to hike all the way down the back of the mountain. Photograph by Lynsey Dyer
