Ryogoku Kokugikan (両国国技館, Ryōgoku Kokugikan) is an indoor sporting arena that hosts the three sumo tournaments that take place in Tokyo each year (in January, May, and September).
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Location
Ryōgoku Kokugikan, 1 Chome-3-28 Yokoami, Sumida, Tokyo 130-0015 « Google Maps »
Former area of residence for the samurai of Kanazawa with narrow canals and stone paths. Some of the homes are open to the public. There is also a small museum showing how the merchant class used to live, complete with a reconstructed old style pharmacy, tea room, traditional garden, and displays of local handicrafts.
As you wander the streets of Yanesen, make a detour via this mud and tile wall. Built in the latter half of the Edo period, this 40m x 2m section has managed to survive the natural disasters and air raids, and today stands as a perfect representation of how the city would have been divided up in times gone by.