Chinese travelers pose for a photo before departure for the United States at Shanghai Pudong international airport in Shanghai, east China, June 17, 2008. About 200 Chinese travelers set out from airports in Beijing, Shanghai and Hong Kong on Tuesday afternoon, becoming the first Chinese vacationers to take part in tour groups to the United States. (Xinhua Photo)

Chinese travelers read brochures designed for the travelers to the United States before their departure at Shanghai Pudong international airport in Shanghai, east China, June 17, 2008.(Xinhua Photo)

Travelers pose for a group photo before they set out from Beijing for the United States at the Terminal 3 of the Beijing Capital International Airport, June 17, 2008. About 200 Chinese travelers set out from airports in Beijing, Shanghai and Hong Kong on Tuesday afternoon, becoming the first Chinese vacationers to take part in tour groups to the United States. [Xinhua]

Travelers check in at the Beijing Capital International Airport before they set out for the United States, June 17, 2008. About 200 Chinese travelers set out from airports in Beijing, Shanghai and Hong Kong on Tuesday afternoon, becoming the first Chinese vacationers to take part in tour groups to the United States. [Xinhua]