skyscraper, construction site. 摩天大樓, 建築工地

Stomach-churning pictures of Russia's death-defying 'skywalkers' | Mail Online
http://www.dailymail.co.uk/news/article-2559158/Stomach-churning-pictures-Russias-death-defying-skywalkers.html
Selfie เท่ๆ จากที่สูง เห็นแล้วเสียววาบ | likeder.blogspot.com  http://likeder.blogspot.tw/2014/01/selfie.html

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