The Leaning Tower of Pisa is famous for its tilt, and engineers have tried for decades to make the bell tower straighter. In the latest announcement, engineers said on Nov. 22 that the tower has straightened by 4 centimeters over the last two decades.
The tilt of the bell tower in the famous Tuscan city is monitored by an international committee called Nunziante Squeglia. On Nov. 22, the committee said the straightening was good news, but that the tower’s overall structural health was more important, according to news agency ANSA.
The bell tower closed in 1990 and engineers began working to straighten its tilt. They put hundreds of tons of lead counterweights at the base and removed soil from under the foundation. By 2001, the tower had straightened by 45 cm.
The 12th-century tower reopened to the public in 2001. In 2008, engineers said the tower would be stable for at least 200 more years. (AP)