Nagasaki: The city, which went down in history when it was destroyed by the atomic bomb in 1945, has dedicated parks, monuments and museums to remember these tragic events, including the Peace Park with its adjacent museum. Shanghai: One of the largest cities in the world, has always welcomed foreigners, many of whom have clearly left their mark in the city's history, architecture, and urban design. Tianjin: Is one of the four municipalities in China. Its name means the place where the emperor crossed the river.