Migrant workers bid farewell to a policeman at a road service station in Changshan County, east China's Zhejiang Province, Jan. 17, 2012. There are more than 20 million migrant workers in Zhejiang. Some of them choose to return their hometown for Spring Festival family reunion by motorcycle. To create convenient condition for them, a great number of service stations have been set throughout their journey. [Xinhua/Han Chuanhao]