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

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

Train journey in the hill country, Sri Lanka, Asia

Train guard, Shinkansen Train, Japan, Asia

The Virgin train crash site at Grayrigg near Kendal, Cumbria, England, United Kingdom, Europe

Snow at Oxenholme Train Station, Cumbria, England, United Kingdom, Europe

The Virgin train crash site at Grayrigg near Kendal, Cumbria, England, United Kingdom, Europe

Male railway guard standing on a train Sri Lanka, Asia

train guard, Metro Shanghai

Get together of the community of interests for historical performance of the 18th century, moated castle Linn, Krefeld, NRW, Germany

During a training session for workers dealing with toxic chemical spills, participants in protective suits walk down the street, Detroit, Michigan, USA

A training session for workers dealing with toxic chemical spills, Detroit, Michigan, USA

Members of rescue team in diving suits ready to mount helicopter to participate in rescue exercise at lake Pillersee, Tyrol Austria

Guard by Maglev train in the railway station, Beijing, China