What's the deal with walk-on glass structures? Why does it look like engineers/architects obsessed with them in China?

I'm asking this given this post.

https://www.reddit.com/r/interestingasfuck/comments/1u1vyzo/a_see_through_stair_case_in_a_chinese_building/

which adds to many other posts where there are glass structures mainly bridges, and they happen to be in most (if not all) cases in China.