Traditional Culture Encyclopedia - Photography major - Where is the bluest sky in China?

Where is the bluest sky in China?

Speaking of where the sky is bluest and purest in China, I immediately think of places like Tibet and Qinghai. Of course, I haven't been there. I just saw the pictures that netizens were afraid of, and I was attracted by the beautiful blue sky.

Lhasa sky map

Qinghai map

Above Qinghai Lake

Beautiful map of Tibet