It’s the biggest sporting event on the planet based on the millions of spectators who line roads for a fleeting view, but this year a shake up will mean the loss of the iconic Champs Elysees finish.We look at how a cycling race became a global money spinner - particularly for its owners, the Amaurys, one of the richest families in sport.We also visit the Maurienne valley, a regular stop off for the Tour, to find out what’s in it for sponsors and hosts. And with a new final stage ending in Nice to steer clear of the Paris Olympics, and a date clash with the French election, could 2024 see a change in fortunes for the Tour de France?Produced and presented by Laura Heighton-Ginns(Image: Spectators crowd the roadside as Tadej Pogacar and Jonas Vingegaard tackle the final ascent of Saint-Gervais-les-Bains on July 16, 2023. Credit: Getty Images)