Opening in October 2021, Expo 2020 Dubai is the first event of its kind in the Middle East. Here, CNN dives into the past to explore the history of World Expos through their defining exhibits.

The launch will also mark the 2,020 day countdown to the Expo 2020 opening day. The experiential roadshow zones – a part of the inter emirate initiative- will educate the public on the impact of ...