The Eiffel Tower, built by Gustave Eiffel, was completed in 1889 at the world fair s to celebrate the 100th year anniversary of the French Revolution when it was the world’s tallest building at 1,024ft. These days it receives nearly seven million tourists a year. The Eiffel Tower has 1,665 stairs and three viewing platforms while 20,000 light bulbs illuminate the landmark every night.
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