网页搜索：
The world's longest outdoor covered escalator
Hong Kong's Central-Mid Level Escalators is the world's longest outdoor covered escalator system, totaling 800 meters in length with a vertical climb of 135 meters. It consists of twenty electric escalators and three moving walkways, and carries approximately 50,000 people daily.
The world's longest auto-rail suspension bridge
ICP备案证书(号)浙ICP备06035441号