April 22 is the 29th International Earth Day. Jointly organized by municipal office of ecology, municipal federation of trade unions, municipal bureau of communications, municipal traffic police detachment, Xia Huixing Taxi Association and Mingyin Taxi Association, About 100 model workers visited the desulphurization project of Beilun Power Plant, ecological construction of Wandi Village of Yinzhou, Sewage Treatment Plant in the Southern Region and landfill treatment project in Yinzhou District.