Photo taken on April 7, 2013 shows the Bijiashan Wind Power Plant beside the Poyang Lake in Jiujiang City, east China's Jiangxi Province. The Bijiashan Wind Power Plant, invested by China Power Investment Corporation, has been put into operation with 48 megawatts of installed generating capacity. Currently, there are five wind power plants around the Poyang Lake, respectively Jishanhu, Changling, Daling, Laoyemiao and Bijiashan. (Xinhua/Fu Jianbin)

Photo taken on April 7, 2013 shows the Bijiashan Wind Power Plant beside the Poyang Lake in Jiujiang City, east China's Jiangxi Province. The Bijiashan Wind Power Plant, invested by China Power Investment Corporation, has been put into operation with 48 megawatts of installed generating capacity. Currently, there are five wind power plants around the Poyang Lake, respectively Jishanhu, Changling, Daling, Laoyemiao and Bijiashan. (Xinhua/Fu Jianbin)

People walk on a road near the Bijiashan Wind Power Plant beside the Poyang Lake in Jiujiang City, east China's Jiangxi Province, April 7, 2013. The Bijiashan Wind Power Plant, invested by China Power Investment Corporation, has been put into operation with 48 megawatts of installed generating capacity. Currently, there are five wind power plants around the Poyang Lake, respectively Jishanhu, Changling, Daling, Laoyemiao and Bijiashan. (Xinhua/Fu Jianbin)

Photo taken on April 7, 2013 shows the Bijiashan Wind Power Plant beside the Poyang Lake in Jiujiang City, east China's Jiangxi Province. The Bijiashan Wind Power Plant, invested by China Power Investment Corporation, has been put into operation with 48 megawatts of installed generating capacity. Currently, there are five wind power plants around the Poyang Lake, respectively Jishanhu, Changling, Daling, Laoyemiao and Bijiashan. (Xinhua/Fu Jianbin)

Photo taken on April 7, 2013 shows the Bijiashan Wind Power Plant beside the Poyang Lake in Jiujiang City, east China's Jiangxi Province. The Bijiashan Wind Power Plant, invested by China Power Investment Corporation, has been put into operation with 48 megawatts of installed generating capacity. Currently, there are five wind power plants around the Poyang Lake, respectively Jishanhu, Changling, Daling, Laoyemiao and Bijiashan. (Xinhua/Fu Jianbin)

Photo taken on April 7, 2013 shows the Bijiashan Wind Power Plant beside the Poyang Lake in Jiujiang City, east China's Jiangxi Province. The Bijiashan Wind Power Plant, invested by China Power Investment Corporation, has been put into operation with 48 megawatts of installed generating capacity. Currently, there are five wind power plants around the Poyang Lake, respectively Jishanhu, Changling, Daling, Laoyemiao and Bijiashan. (Xinhua/Fu Jianbin)