The Eiffel Tower in Paris has been evacuated and closed to visitors after someone tried to climb the monument.

The official Twitter account for the tower wrote on Monday that the structure was “closed until further notice.”

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La #tourEiffel est actuellement fermée jusqu'à nouvel ordre. Pour éviter une trop longue attente, nous conseillons à nos visiteurs de reporter leur visite.

The Eiffel Tower is currently closed until further notice. We kindly advise our visitors to postpone their visit. — La tour Eiffel (@LaTourEiffel) May 20, 2019

A video posted on YouTube appears to show a person climbing up the structure.

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The tower’s media office said the individual, who hasn’t been identified, apparently tried to scale the tourist icon on Monday afternoon, and firefighters and a climbing specialist were in touch with the climber, The Associated Press reported.

It’s not immediately clear what the climber’s motive was or when the tower will reopen.

Other users have posted pictures of what appears to be the individual climbing up the monument.

WHY WOULD YOU CLIMB UP THE EIFFEL TOWER pic.twitter.com/wynQOUl2vR — Paige (@PaigeMcSorley) May 20, 2019

The Eiffel Tower is 1,063 feet tall — about as tall as an 81-story building.