Franco-Japanese architectural firm Ciel Rouge has completed the Villa Ronde project, a green roofed luxury residence nestled on the Japanese coast.The Villa Ronde includes a private museum, a guest house and an indoor swimming pool.The open-air circular design of the house helps protect it by deflecting the strong winds that are common in the area while providing natural ventilation and serves to cool the interior. The round shape is the best to cover the beautiful view around as well as to resist and glide in the strong typhoons winds. The building itself seems to grow from an hill in which air system circulate to ventilate permanently the house. Everything is thought for the best thermal natural ratio with a double facade for protecting from winds and sun, as well as the roof is covered by one foot of soil including a watering system.