Passengers at MRT (Mass Rapid Transport) station in Singapore, Southeast Asia, Asia

Passengers on a mass rapid transit train in Singapore, Southeast Asia, Asia

Fashionable teenage girls ride the MRT in Taipei, Taiwan, October 29, 2010.

A teenage girl rides the MRT in Taipei, Taiwan, October 23, 2010.

Upper Mississippi River National Wildlife And Fish Refuge Sign At The Turkey River Landing, Near Millville, Iowa, United States Of America