He planned and built the Basilica of San Francesco d'Assisi in which Saint Francis is buried still today the spiritual centre of the Order .
The Basilica of San Francesco d'Assisi in which Saint Francis is buried is a building which includes the friary Sacro Convento .
He planned and built the Basilica of San Francesco d'Assisi in which Saint Francis is buried , a building which includes the friary Sacro Convento , still today the spiritual centre of the Order .