Vietnam's new glass bridge sets Guinness World Record
https://edition.cnn.com/travel/article/vietnam-glass-bridge-guinness-record-hnk-intl/index.html
Many people are afraid of durability of glass bridges like this. It depends on how many people step on the bridge. Unless it's built based on excess durability which is ignorant of lifetime, each bridge has lifetime based on how many times it got mechanical pressure from pedestrians.
