In Tokyo, children play spontaneously on the oval rooftop of the Fuji Kindergarten, winner of the 2017 Moriyama RAIC International Prize. Photo via Tezuka Architects.

In Tokyo, children play spontaneously on the oval rooftop of the Fuji Kindergarten, winner of the 2017 Moriyama RAIC International Prize. Photo via Tezuka Architects.

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