Migrant workers show slogans expressing gratitude before boarding their chartered flight at the airport in Hangzhou, capital of east China's Zhejiang Province, Feb. 4, 2010. More than 300 elite migrant workers from southwest China's Sichuan Province went home from Zhejiang Province on Thursday for the Spring Festival on three chartered planes, which were provided by the Zhejiang Federation of Trade Unions. (Xinhua/Wang Dingchang)