This is the most famous train of Tokyo, Japan. It is a circular train and it links up the sight spots of tokyo. For example, Ikebukuro,Shinjuku,Harajuku,Shibuya,Shinnakawa,ueo,akihabara....
It take 70 minutes(34.5KM) for a round and there is English accoucement in the station and train. Foreigners are encourage to use this train for sight seeing.