The Eiffel Tower was built for the World's Fair in Paris in 1889 and was initially designed to be dismantled when the fair was over.

Construction began in 1887 when they laid the foundations by creating 2m thick concrete slabs under each of the feet. As two of the feet run alongside the river Seine engineers were worried water would creep in, so they created metal shoe structures which kept the French water at bay. A bit like a pair of welly boots.

To build the main body they shipped in 18,000 different parts that were prefabricated in a factory and they put them together on site at the banks of the Seine using a whopping 2.5 million rivets.

Construction was completed on 31st March 1889 and Gustave Eiffel was the very first person to climb ALL the 1,710 steps! It remained as the world's tallest structure in the world for 40 years! 


The post HOW WAS THE EIFFEL TOWER BUILT appeared first on BBC Earth Lab Youtube Channel.


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