Workers prepare box lunches in an aseptic workshop of Qingdao CRH (China Railway High-speed) catering company in Qingdao, east China's Shandong Province, Jan. 21, 2014. A series of box lunches selling for 15 yuan (2.48 US dollars) to 55 yuan (9.09 US dollars) were put on the market to meet passengers' demands.(Xinhua/Li Ziheng)
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