China opens World's longest glass bridge .

China has officially unveiled the world's longest glass-bottomed suspension bridge in Hebei Province's Hongyagu Scenic Area.

The 488 meter span (1,600 feet) bridge over a vertical drop of 218 meters (715 feet) doesn't bring visitors to their trembling knees, there's an added sway to test the nerves at this destination.

"Hongyagu glass suspension bridge marks the 2.0 era for China's glass-bottomed bridge," says Yang Minghua, the chairman of Hebei's Bailu Group, which created the span linking two peaks in the mountainous region of north-eastern China.

The three-year construction project has given birth to several record-breaking claims including the largest span, the greatest transparency and "the most spectacular pedestrian glass suspension bridge."

The bridge is 4 meters wide (13 feet) and made of 1,077 glass panels that are four centimeters thick (almost 1.6 inches).

It was opened to the public on December 24, 2017, the bridge can accommodate up to 2,000 people, but only 500 to 600 visitors will be allowed to walk on it at the same time.