The Yokohama Media Tower, "Architecture that connects the town, the people and time", is an intelligent building of the NTT Group built in the center of the Yokohama Minato Mirai 21 District. It is a skyscraper that stands 100m tall with a 150m tall communications tower mounted on top. The offices located on the 3rd floor comprise a progressive workplace that is currently driving in-mobile communications and multi-media, and in the mini-center office workplace, needs are identified and corresponding diverse diverse space is provided according to needs identified through the worker's survey.