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Think you know how tall the Eiffel Tower is? Then you'd better know how hot it is outside.

Visitors often imagine the Eiffel Tower as an immovable silhouette, unchanged through the shifting seasons. Yet on the city’s hottest days, the structure behaves in a way that defies those assumptions ...

The Eiffel Tower has been growing taller this week. Here’s why

Specialists have estimated that the Eiffel Tower actually grows between 12 and 15 centimetres when comparing its size on cold ...