高空 (gāo kōng): High altitude / Sky (Noun) — Meaning & Stroke Order

The airplane is flying at high altitude.

Due to severe weather, all high-altitude work has been urgently suspended.

He described the magnificent scenery of the high altitude while sharing his flight experience.

Skydiving from high altitude is an exciting extreme sport.

I heard there's a high-wire performance at high altitude recently, do you want to go see it?