For some, running just one marathon is the ultimate sporting achievement. For others, it's just the beginning.
원문출처 : http://www.cnn.com/2017/09/06/sport/albatros-adventure-marathons-china-great-wall-vacation-fitness/index.html
원문출처 : http://www.cnn.com/2017/09/06/sport/albatros-adventure-marathons-china-great-wall-vacation-fitness/index.html