This picture taken on June 6, 2014, shows security forces participating in a military drill in Hetian, northwest China’s Xinjiang region. China vowed a year-long campaign against terrorism after attackers in Xinjiang killed 39 people in a suicide raid. The statement said the campaign would last until June 2015 and is aimed at “preventing the spread of religious extremism” from Xinjiang to the country’s interior. (AFP Photo)