Looks really nice there. The boat harbor looked cool.
Chinese beach, most look fully clothed.
I believe most older women in that area wear long sleeve shirts, long pants, and wide brim hats to avoid the sun. The common belief is that the darker your skin the lower your status, since most outdoor laborers have dark complexion constant exposure to the sun!
You will find an enormous market for skin whitening cremes and lotions in China and other parts of Asia. When I take my wife riding on my motorcycle here in Georgia, she dresses like she is going to the Arctic Circle when it is 95+ here in the shade.