The cutest "special agents" at the Hangzhou Xiaoshan International Airport in east China's Zhejiang Province are the sniffer dogs that assist with quarantine inspections. Customs authorities at the airport have a team made up of six sniffer dogs. [Photo: IC]

The cutest "special agents" at the Hangzhou Xiaoshan International Airport in east China's Zhejiang Province are the sniffer dogs that assist with quarantine inspections. Customs authorities at the airport have a team made up of six sniffer dogs. [Photo: IC]

The cutest "special agents" at the Hangzhou Xiaoshan International Airport in east China's Zhejiang Province are the sniffer dogs that assist with quarantine inspections. Customs authorities at the airport have a team made up of six sniffer dogs. [Photo: IC]

The cutest "special agents" at the Hangzhou Xiaoshan International Airport in east China's Zhejiang Province are the sniffer dogs that assist with quarantine inspections. Customs authorities at the airport have a team made up of six sniffer dogs. [Photo: IC]