• Every tower must stand up to wind. One solution is to make the tower so massive that it always prevails against wind force. The other way is to make the surface of the tower so minimal that the wind cannot get an effective grip on it. Eiffel relied on the second method. His tower is a delicate lacework of iron on which the wind can command little grip. See more about Eiffel Tower History.
• Upon completion, the Eiffel Tower replaced the Washington Monument as the tallest structure in the world. Visitors to the tower can reach the summit but require the use of elevators beyond the second floor. In windy conditions, the tower sways between six to seven centimeters. Millions of people visit it each year. Find out more Eiffel Tower Interesting Facts.