4. Todoroki Keikoku:
The residential area of Setagaya in the western part of Tokyo is known to be way to an abundant nature world. It's a rare site in Tokyo where you can experinece to feel yourself very peaceful, under your daily hetic working life. You also have a fresh air with a breeze breath, as you could feel a calm and silent environement inside the shaded trees.
5. Mizumoto Koen:
"Mizumoto Koen" is the park in Katsushika ward,Tokyo. It is considered the biggest park with water landscapes among the 23 special wards of Tokyo. The park is known for the diverse kinds of plants and wild birds, and as an attraction spot during Cherry Blossom season. The 7.5 acre, Mizumoto Japanese Stroll garden was created in 1985 and includes a large "Koi" lake, moon bridge, meditation garden, tea house and traditional Japanese garden landscaping.