In these pictures by Marco Roggero, you can see the menhirs in their original places.
wido_piemonte
Italian site about engraved stones in north west of Italy.
Some pictures and italian text.
Italian and english text and images.
Italian and english text and pictures.
Italian version
some of the most important rocks with pictures, drawings and infos.
A map with pictures of the 2 group of menhirs in Cavaglià, by Luca Lenzi.