Greenhouses and vegetable cultivation in the Rhone Valley at the foot of the Valais Alps, Philfruits agricultural company, Riddes, Valais, Switzerland Greenhouses and vegetable cultivation in the Rhone Valley at the foot of the Valais Alps, Philfruits agricultural company, Riddes, Valais, Switzerland Greenhouses and vegetable cultivation in the Rhone Valley at the foot of the Valais Alps, Philfruits agricultural company, Riddes, Valais, Switzerland Greenhouses and vegetable cultivation in the Rhone Valley at the foot of the Valais Alps, Philfruits agricultural company, Riddes, Valais, Switzerland