832-270486 - During a training session for workers dealing with toxic chemical spills, participants in protective suits walk down the street, Detroit, Michigan, USA
794-3497 - One of the many 100 metre deep subway stations on the Pyongyang subway network, Pyongyang, Democratic People's Republic of Korea (DPRK), North Korea, Asia
794-3496 - One of the many 100 metre deep subway stations on the Pyongyang subway network, Pyongyang, Democratic People's Republic of Korea (DPRK), North Korea, Asia