Researchers prepare the plaster cast mould of a Roman boy from an ancient Roman city as they put the body through a CAT (Computerised Axial Tomography) scan in Pompeii, September 29, 2015. An expert team made up of archaeologists, radiologists, orthodontists and anthropologists began on September 2015 to use CAT scan technology to peer inside the plaster cast moulds of Pompeii's victims, in a study that has added more detail to previous findings. A 16-layer scan had to be used in order to penetrate the hardened plaster but the results showed up impressive skeletal remains and near perfect teeth. Picture taken September 29, 2015. REUTERS/Ciro De Luca