Italian Engineering Professor at Pisa University Nunziante Squeglia poses in the ground floor room of the Pisa tower, where the Tower's history is explained, in Pisa on November 28, 2018. The Leaning Tower of Pisa is now stable and has even straightened slightly thanks to engineering work to save the world-renowned tourist attraction, experts said on November 21, 2018. Tiziana FABI / AFP