Zurich, Switzerland. Bahnhofstrasse, Banhof Street. The most expensive street in the world is located in front of Zurich's main railway station, which is 1.4 kilometers long. All kinds of luxury stores are dazzling, and all kinds of watches are overwhelming. There are clothing stores, jewelry stores, department stores and so on. This is also the financial CBD block, where many multinational banks are headquartered.