Hainan has been seeing bluer skies and seas recently due to better air quality.
Locals have been posting pictures of themselves against the backdrop of Hainan's crisp blue skies on WeChat, tagging them "Hainan Blue".
Haikou Century Bridge [Photo by Liu Yang/hinews.cn]
Haikou Guomao Mansion [Photo by Liu Yang/hinews.cn]
Haikou's Guoxing Road [Photo/hinews.cn]
Sanya's West Island [Photo/hinews.cn]
Overview
Haikou 
Sanya 
