Better space, better education Japans alternative kindergarten (Learning World: S5E41, 1/3)

The architecture of this Japanese kindergarten is striking: it has an oval shape which frames a garden, trees are growing through the roof of the building. Slides lead the way into the garden and animals are part of the establishment. There are no internal walls, so the children hear the noises from neighbouring classes, helping them hone their concentration skills. But what is the purpose of this odd architecture? Its architect, Takaharu Tezuka, has designed it to fulfill the need for doing the same thi