train

The remains of the runaway fuel train that exploded in a deadly ball of flames in the center of  Lac Megantic, Quebec.

Mathieu Belanger/Reuters

The remains of the runaway fuel train that exploded in a deadly ball of flames in the center of Lac Megantic, Quebec in Canada.

A child looks out from a train window be...A child looks out from a train window before leaving the Hefei railway station in Hefei, north China's Anhui province on July 1, 2013. China's summer travel peak starts on July 1, as railway systems serve an increasing number of passengers including students and tourists.

AFP

A child looks out from a train window before leaving Hefei railway station in Anhui, a province in north China. The peak summer travel period starts on Monday, with railway systems serving an increasing number of passengers including students and tourists Read more

An Indian commuter pours water over his head to cool off as young children watch from a window at a railway station in Allahabad, India, Monday, May 20, 2013. Most of north India has been reeling under heat wave conditions with temperature soaring to over 46 degree Celsius (115 degrees Fahrenheit). (AP Photo/Rajesh Kumar Singh)

Rajesh Kumar Singh/AP

An Indian commuter pours water over his head to cool off as young children watch from a window at a railway station in Allahabad, India on Monday. Most of north India has been reeling under heat wave conditions with temperature soaring to over 46 degree Celsius (115 degrees Fahrenheit) Read more

Men bathe using pipes that supply water to trains at a railway station in the northern Indian city of Allahabad May 8, 2013. Temperatures in Allahabad on Wednesday reached 41.5 degrees Celsius (106.7 degrees Fahrenheit), according to information posted on India's metrological department website.

Jitendra Prakash/Reuters

Standing next to the railway tracks, men use pipes that supply water to the trains to bathe with at a railway station in Allahabad, northern India, as temperatures in the city on Wednesday reached 41.5C

Rom Hoop market or Folding Umbrella Market where vendors and shoppers dodge bustling while commuter train pass through eight times a day...epa03673490 Thai vendors selling their goods on a railway track as the train passes through at Talad Rom Hoop, meaning 'closing umbrella market' in Mae Klong district, Samut Songkhram province, Thailand, 23 April 2013. Merchants, shoppers and foreign tourists gather in the world's most dangerous marketplace named Rom Hoop market in Thai, mean folding or closing umbrella. The market located next to Mae Klong Railway station where shoppers have to dodge and all vendors who sale their products of fruits, vegetables, meats, poultry, fresh seafood on the ground along the railroad tracks will quickly fold away their umbrellas, move their goods, pull back awnings and watch the commuter train go by a few inches away eight times a day.

Rungroj Yongrit/EPA

Vendors sell their goods on a railway track as trains pass through Talad Rom Hoop, or “closing umbrella market”, in Mae Klong district, Samut Songkhram province, Thailand. The world’s most dangerous market is located next to Mae Klong Railway station; shoppers have to dodge trains, while vendors, selling products from fruit and vegetables to fresh fish, fold away their umbrellas, move their goods, pull back awnings and watch the commuter train go by a few inches away eight times a day.

Contractors work on the East Side Access project beneath Grand Central Terminal, Thursday, April 18, 2013 in New York.  When complete the East Side Access project will connect Long Island Railroad trains to Grand Central Terminal serving approximately 160,000 customers a day. It is one of three bold projects under New York that will expand what's already the nation's biggest mass-transit system by 2019.

Mary Altaffer/AP

Contractors on the East Side Access project beneath Grand Central Terminal in New York on Thursday. When complete the project will connect Long Island Rail Road trains to the terminal serving about 160,000 customers a day. It is one of three bold projects under New York that will expand what’s already the nation’s biggest mass-transit system by 2019.