Views of Shinji-ike pond, Hibiya park.
In winter, you can see conical structures which rise above the pine trees around the pond.
They are protections for the tree brunches from breaking under the weight of the snow.
A high stage for Taiko drum and colorful banner-flags at Ryogoku Kokugikan Sumo stadium, Ryogoku district, Sumida ward.
Those flags are set during Sumo wrestling tournaments are held at the stadium.
You can go to the Ryogoku Kokugikan, the main stadium of Sumo wrestling, from the exit very easily.
There are large pictures of Sumo wrestlers on the wall.