The upper part (file) of this combo photo taken by Pan Jiamin shows an old terminal of Shenzhen airport in south China's Guangdong Province. The lower part of the combo photo taken by Mao Siqian on Nov. 28, 2013 shows a new terminal of the airport in Shenzhen. This year marks the 40th anniversary of China's reform and opening-up policy. Over the past four decades, Shenzhen has developed from a small fishing village to a metropolis. (Xinhua)