Smog makes colorful world into gray one

A local resident flies kites on the promenade on the Bund against skyline of the Lujiazui Financial District with the Shanghai Tower, second tallest, under construction, the Oriental Pearl TV Tower, tallest, the Shanghai World Financial Center, third tallest, and other skyscrapers and high-rise buildings in heavy smog in Pudong, Shanghai, China, Dec 5, 2013. [Photo/icpress.cn]

Night view of Huangpu River and the Lujiazui Financial District with the Oriental Pearl TV Tower, the Shanghai World Financial Center, the Shanghai Tower under construction and other skyscrapers and high-rise buildings in Pudong, Shanghai, China, Oct 4, 2013. [Photo/icpress.cn]