article: Pisa
links: Cagliari Jason Acuña Fibonacci Lorenzo de' Medici Francis of Assisi Niles, Illinois 12th century Galileo Galilei Kolding Giovanni Galli Angers Acre Nicola Pisano Orto botanico di Pisa Masaccio Pope Eugene III Enrico Letta Dario Marianelli Italy Alessandro Birindelli Palace Tuscany Unna Leaning Tower of Pisa Alfredo Biondi