Best air quality lures tourists to Haikou
Updated: 2013-05-20 17:45
Haikou's air-quality index registered at 1.61, which is the lowest among the 74 cities in China. The air quality in a city in Hebei province ranked worst -- registering at 5.62.
A visitor swims in a thermal spring swimming pool on May 18, 2013, at Guanlan Lake Holiday Resort in Haikou city, Hainan province. [Photo/Xinhua]