Hannover - Expo 2000

World Expositions are held every four years in a designated host city. Hanover was the first German city to host an Expo. The main theme of Expo 2000 was "Humankind-Nature-Technology", a theme to promote discussion and presentations offering answers to the question of how the global community can respond to the ecological and economic challenges of the future.

Over 170 countries participated in Expo 2000.