Geothermal energy fuels east China smog-free town

JINAN, Jan. 21 (Xinhua) -- Amid the harsh winter of the Yellow River Delta, Xing Yan, a resident of the Yellow River estuary, enjoys the warmth at home, where orchids thrive. This comfort is not provided by a boiler, but by harnessing geothermal energy deep in the Earth.

Xing lives in Niuzhuang Township in Dongying District of the city of Dongying, east China's Shandong Province. Beneath the seemingly ordinary to