London is a world cultural capital. It is also the world's most-visited city with strengths in the arts, commerce, education, entertainment, fashion, etc.

San Francisco, officially the City and County of San Francisco, is the fourth most populous city in California and the 12th most populous city in the United States.

Tokyo (東京 Tōkyō, "Eastern Capital"), officially Tokyo Metropolis (東京都 Tōkyō-to), is the most populous metropolitan area in the world.