An observation deck at Jiulongpo, in southwest China's Chongqing has gone viral for its vertical spiral staircase. /CFP

The white beacon-like deck is 66 meters high and looks like a giant spring poking through the ground. /CFP

Tourists need to hike seven floors on the spiral staircase to reach atop. /CFP

According to Xinhua, the giant spiral staircase is part of Chongqing’s landscape design which covers an area of 72,000 square meters. /CFP

The entrance of the staircase is connected with a 1.5-kilometer terrace on a hill. /CFP