Toden Arakawa Line (都電荒川線) aka Tokyo Sakura Tram is the only surviving streetcar line at Tokyo. It uses gauge of 1372mm (old Scotch gauge), the line runs between Minowabashi and Waseda stations for 12,2 kilometres. I highly recommended taking this tram when visiting Tokyo, very unique experience.
@Maersk.146 Yes I did! New Nikon museum is really nice, little bit bigger than old museum. There are some historic items that were not on display at old museum. Best part was that you can try out different Nikon cameras from different eras