Cycling - Tour de France cycling race - The 190.5 km (118 miles) Stage 6 from Arpajon-sur-Cere to Montauban, France - 07/07/2016 - An International Cycling Union (UCI) official uses a magnetic tablet device to detect motors during an inspection of bicycles from the Cofidis Solutions Credits Team before the start. The UCI also uses thermal cameras to prevent mechanical doping during the Tour de France. REUTERS/Juan Medina