あの、これ凄いです・・（編集長）
2 Americans Complete Free Climb of El Capitan’s Dawn Wall, Considered Hardest in World
http://www.nytimes.com/2015/01/15/sports/el-capitans-dawn-wall-climbers-reach-top.html?emc=edit_na_20150114&nlid=52347461
2 Americans Complete Free Climb of El Capitan’s Dawn Wall, Considered Hardest in World
http://www.nytimes.com/2015/01/15/sports/el-capitans-dawn-wall-climbers-reach-top.html?emc=edit_na_20150114&nlid=52347461