https://en.wikipedia.org/wiki/Michael_S._Van_Leesten_Memorial_Bridge
https://en.wikipedia.org/wiki/Footbridge
https://architizer.com/blog/inspiration/collections/bridging-the-gap/
https://www.wsp.com/en-cn/sectors/bike-and-pedestrian-bridges
https://structurae.net/en/structures/bridges/bicycle-and-pedestrian-bridges