Tech for a Better Planet: The World’s Largest Renewable Energy Base Answers the Call The province of Qinghai is named after China’s largest salt lake, Qinghai Lake, which means bluish green sea in Chinese. The cities and prefectures around Qinghai Lake are conveniently named Haidong, Hainan, Haixi, and Haibei, referring tothe east, south, west, and […]