The left part (file) of this combo photo shows Shekou Port in Shenzhen, south China's Guangdong Province. The right part of the combo photo taken by Mao Siqian on Nov. 16, 2016 shows Shenzhen Taiziwan cruise home-port in Shekou. 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)