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.
第111集
人类奇思妙想的杰作，以更直观的角度来感受大峡谷的险和美。虽然后来世界各地又建了各种各样的玻璃栈桥，我还是觉得这一条天空步道有鹰击长空式的创意和体验感，更具有里程碑式的意义。