Light trails made by passing vehicles are seen between the Bank of England and the Royal Exchange in London, on Jan. 9.

Photograph by Chris Ratcliffe/Bloomberg

A migrant worker stands in Victoria Park in Hong Kong, China, on Nov. 11.

Photograph by Jerome Favre/Bloomberg     

An elevated view shows traffic moving along a street in the evening in Taipei, Taiwan, on Oct. 16, 2012.

Photograph by Lam Yik Fei/Bloomberg     

Traffic moves along an expressway in this elevated view of Tokyo, on Oct. 6.

Photograph by Noriko Hayashi/Bloomberg

Commercial and residential buildings stand in the Lam Tin area of Hong Kong, China, on Sept. 4.

Photograph by Daniel J. Groshong/Bloomberg

Buildings stand in the city skyline as seen from the Pinheiros neighborhood in Sao Paulo, Brazil, on Aug. 20.

Photograph by Dado Galdieri/Bloomberg

Traffic moves on a highway in this photo taken with a tilt shift lens in Boston, Massachusetts, on Aug. 7.

Photograph by Brent Lewin/Bloomberg

China World Trade Center Tower 3, left, China Central Television (CCTV) headquarters, center, and China Garments building stand in the central business district in Beijing, on June 8.

Photograph by Nelson Ching/Bloomberg

Traffic moves through the central business district in Beijing, on June 8.

Photograph by Nelson Ching/Bloomberg