It is a glass-and-steel horseshoe that extends 70 feet (more than 20 meters)beyond the canyon's edge with transparent supports.
It is a glass-and-steel horseshoe that extends 70 feet (more than 20 meters)beyond the canyon's edge with transparent supports.
空中步道是个由玻璃与钢铁所建成的马蹄型走道，从峡谷边缘往外延伸约70呎（20多公尺），而且支撑物全都是透明的。