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A policeman gets a sniffer dog to jump at a training base in Beijing, July 2, 2008. A total of 204 sniffer dogs and their masters from the country's 20 provinces will be responsible for security in Beijing during the Olympic and Paralympic Games from August.

Members of the police staff from China's 20 provinces walk their sniffer dogs at a training base in Beijing, July 2, 2008. A total of 204 sniffer dogs and their masters will be responsible for security in Beijing during the Olympic and Paralympic Games from August.