CNN takes an upclose look at the Grand Canyon Skywalk. Just to recap, it uses a million pounds of steel and ninety tons of 4-inch thick tempered glass to withstand the weight of up to 800-persons, each weighing 175-pounds. Continue reading for the video.

CNN takes an upclose look at the Grand Canyon Skywalk. Just to recap, it uses a million pounds of steel and ninety tons of 4-inch thick tempered glass to withstand the weight of up to 800-persons, each weighing 175-pounds. Continue reading for the video.