Japanese modern architecture, inside the RiverWalk Kitakyushu

Seen from outside, the RiverWalk Kitakyushu is a complex of several beautifully colored buildings. However, when you step inside, you realize that all these constructions are carefully and ingeniously interconnected, creating a unified, enjoyable space. Photographed here is the area that drew my attention the most, a wonderful combination of curved and flat surfaces...