That picture album was entitled "scansione per Gran Turismo PS4", which translates into "scan for Gran Turismo PS4". It was later renamed to just 'scanning' and then deleted altogether.
The Italian automobile company LM Gianettia appears to be a supplier for specialised racing car and bike parts. While it's no surprise to be in the works, Sony is yet to announce it.
Recent comments by Sony executives however suggest that Gran Turismo 6 could be PS3 bound.