The sight of windsurfers, which has sent Odaiba into a frenzy in the past, has vanished here in 10 years. This is because the "path of the wind" from the sea was choked off by the cluster of high-rise buildings out of the development of newly emerging city centers in coastal areas. Not only the venue for windsurfing vanished, for several years, the heat island phenomenon has become a serious problem. Why was the importance of the "path of the wind" to urban-development projects not discussed?