Architecture, Building and Structure Design Yokohama Symphostage Complex Building by Ryosuke Okawa Yokohama Symphostage is a mixed-use complex building located in Minato Mirai, Yokohama, Japan. The building has a total floor area of about 183,000 square meters and contains offices, a hotel and shops. Yokohama Symphostage is connected to the pedestrian network that links central Yokohama with the surrounding areas. Two pedestrian routes cross the site and are joined by a multi-layered plaza with public facilities for gathering during events and disasters. Simulations of wind, sunlight and pedestrian flow guided the design of each space.