Green Jersey holder Marcel Kittel (GER) Quick-Step Floors at sign on in Mondorf-les-Bains before the start of Stage 4 of the 104th edition of the Tour de France 2017, running 207.5km from Mondorf-les-Bains, Luxembourg to Vittel, France. 4th July 2017.<br /> Picture: Eoin Clarke | Cyclefile<br /> <br /> <br /> All photos usage must carry mandatory copyright credit (&copy; Cyclefile | Eoin Clarke)