A four-year-old boy fell into a well full of water and seven meters deep in Nuraminis .
Immediately his father and another man lowered themselves to help him .
Firefighters from the Sanluri team rescued all three and brought them back to the surface.
The air ambulance intervened and took the child to hospital in Cagliari . Also on site was the team from the Cagliari Diving Unit and the Alpine Fluvial Speleo from the headquarters in Viale Marconi.
