Hong Kongers look at a display of different weapons during an organized visit to see the Frontier Defense Corps in Shenzhen, South China's Guangdong province, May 27, 2012. Some 1,300 citizens from Hong Kong took part in the group visit which was organized to mark the upcoming 15th anniversary of the China's resumption of sovereignty over Hong Kong in 1997. The visitors also watched some military training displays and also visited anti-terrorism and-violence corps.[Photo/Xinhua]