Unavoidable icon of Brussels en Belgium, important place for international tourism, unique creation in the history of architecture and emblematic vestige of the World fair in Brussels, the Atomium is today the most popular tourist attraction of Europe’s Capital. The Atomium was constructed for the first post-war universal world exhibition (EXPO 58) The nine spheres represent an iron crystal magnified 165 billion times. They represent the faith one had in the power of science and moreover in nuclear power. https://visit.brussels/en/place/Atomium