A solar power field is seen in Qinhuangdao, north China's Hebei Province, Oct. 28, 2015. A 20MW solar power field, established on a mountain in Hebei with an investment of 359 million Yuan (about 56.4 million U.S. Dollars), is expected to be finished and put into operation by the end of November this year. (Xinhua/Yang Shiyao)
