Complex sentence: Monte Morello is the highest mountain in the Florentine depression in Italy, to the north-west of Florence and part of the communes of Florence, Vaglia, Sesto Fiorentino and Calenzano.
Split into simpler sentences: Monte Morello is the highest mountain in the Florentine valley, Italy. It is located to the north-west of Florence and it spreads across the borders of the municipalities of Florence, Vaglia, Sesto Fiorentino and Calenzano.