sentence1: Conquering a flat landscape with serene, other-worldly harmony, this assembly of buildings in an emerald green square also known as the Piazza del Duomo celebrates the whole cycle of life, from baptistery, cathedral, and campanile (a.k.a. the Leaning Tower) to the monumental cemetery of the Campo Santo.
sentence2: The Piazza del Duomo just comprises a small area with two small buildings.