The former Expo site in Japan has been targeted for a new urban development project, envisioned to launch in the early 2030s. The project aims to transform the Expo relic into a bustling hub, potentially fostering economic growth and urban renewal. More detailed plans are anticipated as the development continues to take shape.

In Japan, the re-purposing of historic or unused sites is a topic of keen interest, particularly in relation to the economy, urban planning and heritage preservation. The Expo site holds significant historic value for Japan, thus its redevelopment symbolizes the fusion of the country's cultural heritage with its future.

In the US and the EU, redevelopment of historic sites is handled with care. Therefore, there's both a emphasis on economic potential and a strong commitment to preserving the cultural significance of the site. Transparency in the development process and public consultation are typically prioritized.