File photo taken on Sept 3, 2009 shows a bevy of aigrettes frolicking on the limpid Shadun River in Rizhao City, east China's Shandong Province. The eastern China coastal city of Rizhao won a United Nations Habitat award on October 5, 2009 for well executed urban planning which has transformed the city into a green home with new housing and infrastructure. [Xinhua]