Glass walkway over China canyon

TOPSHOTS Chinese tourists walk across a glass-bottomed suspension bridge in the Shinuizhai mountains in Pingjang county, Hunan province some 150 kilometers from Changsha on October 6, 2015. The bridge, originally a wooden walkway spanning some 300 meters across the 180-meter deep valley, reopened two weeks ago following renovations as a glass-bottomed tourist attraction.

Chinese tourists walk across a glass-bottomed suspension bridge amid dense fog in the Shinuizhai mountains in Pingjang county, Hunan province some 150 kilometers from Changsha.

Chinese tourists walk across a glass-bottomed suspension bridge in the Shinuizhai mountains in Pingjang county, Hunan province some 150 kilometers from Changsha on October 8, 2015. The bridge, originally a wooden walkway spanning some 300 meters across the 180-meter deep valley, reopened two weeks ago following renovations as a glass-bottomed tourist attraction.

Chinese tourists walk across a glass-bottomed suspension bridge in the Shinuizhai mountains in Pingjang county, Hunan province some 150 kilometers from Changsha.

A Chinese tourist walks across a glass-bottomed suspension bridge in the Shinuizhai mountains in Pingjang county, Hunan province some 150 kilometers from Changsha. The bridge, originally a wooden walkway spanning some 300 meters across the 180-meter deep valley, reopened two weeks ago following renovations as a glass-bottomed tourist attraction.

A Chinese tourist walks over a glass bottomed skywalk in the Shinuizhai mountains in Pingjang county, Hunan province some 150 kilometers from Changsha.

Tourists walk on a suspension bridge made of glass at the Shiniuzhai National Geological Park on September 24, 2015 in Pingjiang County, China. The 300-meter-long glass suspension bridge, with a maximum height of 180 meters, opened to the public in September.

A Chinese tourist holds onto his son as they walk across a glass-bottomed suspension bridge in the Shinuizhai mountains in Pingjang county, Hunan province some 150 kilometers from Changsha.