37 Days Across Europe · Days 11–13 of 37 · Siena · San Gimignano · Pisa A day out of Florence. Siena's medieval gravity, San Gimignano's towers, a wine lunch somewhere in between — and the obligatory lean. SIENNA Piazza del Campo, Siena. The Torre del Mangia at 87 metres against a moving Tuscan sky. Two figures cross the brickwork far below — everything in the right proportion. There is a version of the Tuscany day trip that a lot of travellers do from Florence. They book