sentences:  As director of the Pompeii excavation Fiorelli introduced an entirely new system for the project.Instead of uncovering the streets first, in order to excavate the houses from the ground floor up, he imposed a system of uncovering the houses from the top down — a better way of preserving everything that was discovered.In this way the data collected during the excavations could be used to help with the restoration of the ancient buildings and of their interiors — although the most important wall paintings and mosaics still continued to be stripped and transported to Naples.