Another fine example by Japanese architects Suppose Design Office, displaying their ability to make concrete beautiful through clever juxtaposition with other materials and the use of light.
Built in an area of Hiroshima where there are no outdoor gardens, they have created the kind of place that you could almost call a real garden, with sunlit rooms using natural materials and raw finishing in an effort to evoke elements of the outdoors and bring a sense of the garden indoors.
Via Dezeen.