Aerial photo taken on Dec. 9, 2018 shows the Djibouti International Free Trade Zone in Djibouti. Djibouti is not only a hub of maritime traffic and trade between Europe, Asia and Africa, but also an important gateway to Africa for the construction of the 21st-Century Maritime Silk Road. In recent years, a number of China-Djibouti cooperation projects have made important contributions to promoting China-Djibouti economic and trade cooperation. (Xinhua/Wang Teng)