Times Square is seen from the observation level of the Empire State Building in the Manhattan borough of New York February 4, 2015. (Photo by Carlo Allegri/Reuters)





Downtown Manhattan and the One World Trade building are seen from the observation level of the Empire State Building in the Manhattan borough of New York February 4, 2015. (Photo by Carlo Allegri/Reuters)





The Chrysler building (L) is seen from the observation level of the Empire State Building in the Manhattan borough of New York February 4, 2015. (Photo by Carlo Allegri/Reuters)





Downtown Manhattan and the One World Trade building (R) are seen from the observation level of the Empire State Building in the Manhattan borough of New York February 4, 2015. (Photo by Carlo Allegri/Reuters)





Downtown Manhattan and the One World Trade building are seen from the observation level of the Empire State Building in the Manhattan borough of New York February 4, 2015. (Photo by Carlo Allegri/Reuters)





One World Trade Center and lower Manhattan are seen in New York July 1, 2015. (Photo by Brendan McDermid/Reuters)





The buildings of Times Square (L) and Midtown Manhattan are seen in New York July 1, 2015. (Photo by Brendan McDermid/Reuters)





Buildings are seen across a river in Ho Chi Minh City, Viet Nam April 26, 2015. (Photo by Reuters/Kham)





A view of central Bangkok, Thailand September 3, 2015. (Photo by Jorge Silva/Reuters)





Commercial towers light up by Power Assets, which provides electricity to Hong Kong island, are seen from the Peak in Hong Kong, China September 8, 2015. (Photo by Tyrone Siu/Reuters)





The silhouette of Japan's highest mountain Mount Fuji (C) is seen beyond buildings in Tokyo in this December 12, 2012 file photo. (Photo by Issei Kato/Reuters)





The Colpatria tower is pictured as it is lit up in blue to honor the 70th anniversary of the United Nations in Bogota, Colombia, October 23, 2015. (Photo by Jose Miguel Gomez/Reuters)





Cars drive on a street illuminated with Christmas lights on Boulevard Haussmann in Paris, France, November 8, 2015. (Photo by Benoit Tessier/Reuters)





Maybank Tower, the headquarters of Maybank which is one of the government-linked companies (GLCs), is seen in Kuala Lumpur, Malaysia in this April 5, 2013 file photo. (Photo by Bazuki Muhammad/Reuters)





Christmas holiday lights hang from trees to illuminate Champs Elysees avenue in Paris as rush hour traffic fills the avenue leading up to the Arc de Triomphe, France, November 19, 2015. (Photo by Charles Platiau/Reuters)





The famous skyline with its banking district is pictured in early evening next to the Main River in Frankfurt, Germany, January 19, 2016. (Photo by Kai Pfaffenbach/Reuters)





The new headquarters (R) of the European Central Bank (ECB) is pictured in Frankfurt, Germany, January 19, 2016. (Photo by Kai Pfaffenbach/Reuters)





The view at night from the Shanghai Tower in Shanghai, China on August 7, 2015. The tower is technically smaller than the Burj Khalifa in Dubai but, while the observation deck of Dubai’s mega-structure is at 556m, the Shanghai Tower’s is at 561m, meaning the view is a little higher. (Photo by Paul Reiffer/REX Shutterstock)





Low clouds are seen over the New York City skyline following an evening of light showers seen from Liberty State Park, Tuesday, December 22, 2015, in Jersey City, N.J. (Photo by Julio Cortez/AP Photo)





A typical viewpoint over Hong Kong Island and neighbouring Kowloon. (Photo by Peter Stewart/Barcroft Media)