Universal Postal Union (UPU)'s Director General Bishar Hussein delivers a speech at the ministerial meeting of the 26th Universal Postal Congress in Istanbul, Turkey, on Oct. 4, 2016. E-commerce and drone technology are seen as fresh impetus to the world's postal sector, as a Universal Postal Congress underway here has been exploring the best means to face the fierce competition. (Xinhua/He Canling)
