It took four years of preparation and seven visits to Norway, but Czech rock climber Adam Ondra has finally completed what is thought to be the hardest climb in the world.
원문출처 : http://www.cnn.com/travel/article/adam-ondra-worlds-hardest-climb-norway/index.html
원문출처 : http://www.cnn.com/travel/article/adam-ondra-worlds-hardest-climb-norway/index.html