This is the Yaxi Expressway in southwest China’s Sichuan province. It features some of the highest and longest bridges in the world.

Here’s a little article about it: https://themindcircle.com/yaxi-expressway-traversing-the-clouds/

Side note: am i the only one who finds this crazy scary to look at? I’m sure it’s awesome driving on it, but looking at it from afar it looks wild.