Glass sky bridges always test people’s threshold for how much they can stand looking down at jaw-dropping heights, but this one is REALLY pushing it.

Tourists at a glass bridge in North China's Hubei province got a rude shock when glass panels began cracking under their weight.

In China's northern Hebei Province sits the Taihang Mountain range, about 1,500 to 2,000 meters high. And somewhere in the middle of that is a skywalk with glass panels for floors.

Hair-raising photos show a tourist left dangling from a glass bridge in China — after it was shattered by gale-force winds. The man remained stranded precariously Friday on the more than 300 ...

The glass tourist walkway at Yuntai Mountain in China's Henan province is designed to thrill, with a see-through platform suspended in parts 3,500 feet in the air. Some tourists got more thrill ...

Call it the crack heard round the world. The glass bridge suspended more than 590 feet in the air in one of China's national parks cracked last week and was closed for repairs. Dozens of people ...

Huge crowds of tourists walk across the glass bridge over the Zhangjiajie Grand Canyon in China on Aug. 21, 2016. Getty Images A terrifying skywalk in China that was forced to close after just two ...

The double-deck 'bendy' glass bridge in China that's so extraordinary some didn’t believe it was real The incredible Ruyi Bridge is 328ft long (100m) and spans the Shenxianju valley in China's ...

The bridge is the world’s longest and highest glass bridge, spanning two cliffs in the Zhangjiajie Grand Canyon. The bridge is about one-quarter of a mile long and about 20 feet wide.

Tourists walk on a suspension bridge made of glass at the Shiniuzhai National Geological Park on September 24, 2015 in Pingjiang County, China.

China has just opened its first glass-bottomed suspension bridge, and being nearly 600-feet-high and 1,000-feet-long, it definitely isn't for the faint of heart.