人工奇迹：大峡谷天空步道(2009)

BT影视为您提供2009年由未知主演,未知导演的《人工奇迹：大峡谷天空步道》/原名《》未知电影在线观看完整版,《人工奇迹：大峡谷天空步道》百度云网盘资源以及《人工奇迹：大峡谷天空步道》高清蓝光mp4迅雷下载，《人工奇迹：大峡谷天空步道》BT下载资源，希望您能喜欢！

暂无简介

Plot Summary:The episode documents the inspiration and engineering behind the construction of the Skywalk attraction at the Hualaipai Nation's \"Grand Canyon West\" village. Skywalk allows visitors to stroll out on a cantilevered bridge above a cliff, and peer directly through the glass floor to see the Grand Canyon floor 4,000 feet below their feet.