A Boeing 777-200LR worldliner, the commercial airplane with the longest range in the world, was named "Zheng He" in Beijing on Tuesday during a ceremony to commemorate the seven incredible voyages the great Chinese navigator undertook. The plane started its global trip from Canada in May and planned to travel to more than 20 cities across the world in two months. Boeing 777-200LR can carry fly 17,445 kilometers in a single flight. (Photo: Xinhua/China Daily)