Expo 2025 Osaka, Kansai: The Legacy of the Sumitomo Pavilion

Ended21 April 2026 – 18 October 2026Ticketed, see website

This exhibition has ended.

A small display in the museum's Taotie Room of objects from the Sumitomo Pavilion at Expo 2025, including its forest diorama, a wooden bench and lanterns.

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On now All of November 2026

The first thing you see is the Sumitomo Pavilion's official stamp, the one that drew long queues at Expo 2025, with a QR code for the digital one. Bring something to stamp.

The rest of the pavilion's leftovers fill the Taotie Room, the museum's rest room: a wooden bench, a diorama, merchandise, a big acorn, and the lanterns visitors carried through its "UNKNOWN FOREST", modelled on the Besshi copper mine forest the Sumitomo business grew from. The lanterns sold out as Expo souvenirs; here you can pick one up and photograph it in daylight. A screen shows uncut footage of the pavilion's performance, which nobody could film at the time, and the thank-you film from closing day. The 1970 building itself went up for the last Osaka Expo.

One visitor called it a small corner display that Expo-goers will find nostalgic. It comes with the current exhibition's ticket: 1,200 yen (students 800 yen, under-18s free). Last day 18 October; open Monday 12 October, closed the 13th.

Look for

The pavilion's official stamp
Look for it at the entrance: the Sumitomo Pavilion stamp that drew long queues at the Expo, with a QR code for the digital stamp beside it.
The forest lanterns
The lanterns visitors carried through the pavilion's dark forest, which sold out as souvenirs, are here to hold and photograph in daylight.
The giant acorn
A big acorn object from the UNKNOWN FOREST, one of the pieces you can touch.
The uncut performance film
Full footage of the pavilion's live performance, which visitors weren't allowed to film at the Expo, plus the five-minute thank-you film from closing day.