Overview: Green spaces have become all the rage and new and old Japanese designs are in the spotlight. A "mixed-planting unit" is designed to provide seasonality in an urban setting. It draws on the planting of Japanese gardens 400 years ago in its goal of greater greenery. A historic plant market in Asakusa is a centuries-old summer tradition. Landscape designer Michio Tase explores the ways Japanese incorporate plants into their everyday lives, and new potential green lifestyles.