In view of the 150th anniversary of the birth of Guglielmo Marconi which the Biella area celebrates on 21/4 in Candelo and 1/5 in Oropa, the Ramella Graniti company is happy to have created a monument to Guglielmo Marconi, these are two stones Milestones in Syenite dedicated to the invention of the radio. The work is located at Villa Griffone, headquarters of the Guglielmo Marconi Foundation in the province of Bologna.