epa02123502 Members of the People ' s Armed Police Force march in front of the China Pavilion at the World Expo grounds in Shanghai , China 18 April 2010 . Shanghai World Expo will be opened 01 May for six months during which an estimated 70 million visitors are expected . EPA/STR
19 . 04 . 2010 06 : 34 : 05
Chına World Expo Securıty
CHINA WORLD EXPO SECURITYEPA02123502 MEMBERS OF THE PEOPLE'S ARMED POLİCE FORCE MARCH İN FRONT OF THE CHİNA PAVİLİON AT THE WORLD EXPO GROUNDS İN SHAN
