Gate Tower Building- Osaka,Japan

Gate Tower Building is a 16-story office structure in Fukushima-ku, Osaka , Japan .
What makes the building unique is the highway that passes through the 5th-7th floors of this building.
The highway is part of the Hanshin Expressway, a network of expressways surrounding Osaka , Kobe and Kyoto, Japan .
The expressway is the tenant of the floors it occupies. The elevator doesn't stop on floor 5 through 7 where the highway passes through.
The highway passes through the building as a bridge, held up by supports next to the building making no contact with the building itself.