article_snippet: One shot shows a man in seeming agony as Lucy Nicholson of Reuters's shocked by electric wires while another shows a contestant welling up as Lucy Nicholson of Reuters crawls through a haze of tear gas.
article_snippet: T-shirts appear coated with dirt.
article_snippet: Caught on camera: One shot shows a man in seeming agony as a man's shocked by electric wires .
article_snippet: Crawling low: The obstacles often play on common human fears, such as fire, water, electricity and heights .