Skyline

A man (L) looks at the city's skyline as...A man (L) looks at the city's skyline as a storm approaches in Hong Kong on April 2, 2014. Stormy weather is affecting the city due to a trough of low pressure on coastal areas of neighbouring Guangdong province in southern China. AFP PHOTO / Philippe LopezPHILIPPE LOPEZ/AFP/Getty Images

Philippe Lopez/AFP

A storm approaches in Hong Kong. Bad weather is affecting the city due to a trough of low pressure on coastal areas of neighbouring Guangdong province in southern China. Read more

A light installation titled "Digital Wattle" which is an adaptation from Australia's floral emblem is illuminated with Singapore's financial skyline silhouetted in the background, Thursday, March 6, 2014, in Singapore. "Digital Wattle" is a device exploring the interplay between individual ethnic groups co-existing in one city. When the flowers sway gently in the wind, they will slowly change from pure white to different colours to represent the new mix of cultures residing in the city. The iLight Marina Bay exhibition features innovative and environmentally sustainable light art installations from around the world, displayed along the Singapore river.

Wong Maye-E/AP

An installation entitled “Digital Wattle”, symbolising Australia’s floral emblem, is illuminated with Singapore’s financial skyline silhouetted in the background. The installation explores the interplay between ethnic groups co-existing in one city; when the flowers sway gently in the wind, they will slowly change from pure white to different colours to represent the new mix of cultures residing in the city. It forms part of the iLight Marina Bay exhibition, which features innovative and environmentally sustainable light art installations from around the world, displayed along the Singapore river. Read more

A general view shows the Gangnam area (t...A general view shows the Gangnam area (top) and Han river (C) within the city skyline of Seoul at dusk on February 4, 2014. With a population of some 25 million people, the metropolitan area of Seoul is one of the largest in the world.

Ed Jones/AFP

Seoul at dusk on Tuesday, with the Han river flowing through the centre. The metropolitan area of the capital of South Korea is one of the largest in the world, with a population of some 25m people. Read more

Winter weather Feb 4th...People walk along the Southbank as a rainbow appears over the city of London. PRESS ASSOCIATION Photo. Picture date: Tuesday February 4, 2014.

Nick Ansell/PA

People walk along the Southbank as a rainbow appears over the City of London Read more

An aerial view at night of the downtown Chicago skyline. An Arctic air mass is expected to chill much of the Central Plains and the East Coast through Monday with wind-chill temperatures dropping into the single digits overnight in some places.

Kiichiro Sato/AP

A nightime aerial view of downtown in the US city of Chicago

A view of the city's skyline from the Beijing Yintai Centre building at sunset in Beijing...A view of the city's skyline from the Beijing Yintai Centre building at sunset in Beijing, August 29, 2013. REUTERS/Jason Lee (CHINA - Tags: ENVIRONMENT CITYSCAPE)

Jason Lee/Reuters

A view of the Beijing skyline from the Yintai Centre in the Chinese capital Read more