Cycling - Tour de France cycling race - The 162.5 km (101 miles) Stage 7 from L'Isle-Jourdain to Lac de Payolle, France - 08/07/2016 - An International Cycling Union (UCI) official uses a magnetic tablet device to detect motors during an inspection of bicyles from Fortuneo - Vital Concept before the start. The UCI also uses thermal cameras to prevent mechanical doping during the Tour de France. REUTERS/Jean-Paul Pelissier