Anyone who visits expresses surprise at the beauty. The rooftop garden of SEIBU IKEBUKURO has a water lily pond like the one in Giverny, France that inspired Monet’s famous series of water lily pond paintings. Rooftop gardening systems using light soils that is fully equipped with sprinkler and drainage systems employing gardening techniques of large scale green wall that about 165m long in total are gaining notice as innovative technologies that offer new possibilities for urban environments of the future.