Under the guard is a photo of KENBO author. This photo includes Ginza area, Mita line, Ginza Station, Area 23, Ginza line tags. To download photo (S, L, M sizes) you need to register the account and log in.
As the free account, you can download for free with some limits.
As the premium account, you can download unlimited, no waiting time, etc. Enjoin premium membership at here