Chikatsu-Asuka Museum 大阪府立近つ飛鳥博物館
The roof is a flight of steps, and you can walk on it: the museum is by Andō Tadao.
Opened in 1994 in the municipality of Kanan, on the hills of the Ichisuka kofun. It was designed by the architect Andō Tadao, who lists it among his major works.
Osaka
近つ飛鳥博物館前