In Tokyo, every square inch of green space is precious and must be used at maximum. Since long time ago, those who have not been able to have a garden, have found a simple and beautiful solution: the flower pots placed on the floor or on the sidewalk, near the entrance.
The flower pots are a simple solution, however, an unusual and attractive architectural solution are these apartment buildings in Suginami, with green spaces arranged on the roofs. I would love to have something like this at home…