skywalk

[skahy-wawk]

noun

Origin of skywalk

First recorded in 1950–55; sky + walk

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Then, in 2011, a skywalk pathway was constructed on the side of Tianmen Mountain in Zhangjiajie, China.
A New Installation in the French Alps Allows Visitors to Walk Off the Highest Mountain Peak
Justin Jones
December 21, 2013