Sister cities?

Long lost twins? You tell me. Both Hiroshima and San Francisco:

• Have a cherished system of trams / streetcars, and have a main line that thrives on cars rescued when other cities abandon their transit
• Recently built new stadiums for their baseball teams and have cultivated weird rituals and odd food
• Are both, as far as I know, nuclear-free zones and generally at the forefront of peace promotion
• Have really good tasting menus if you know where to look (or just get lucky!)

If you can think of more, leave them in comments!