Part I: Moments of Triumph

1. Eddy Merckx's Dominance (1969-1974): Known as 'The Cannibal', Merckx set a record by winning five Tours, four of which were consecutive.

2. Miguel Indurain's Five-In-A-Row (1991-1995): Spanish cyclist Indurain etched his name into Tour history by becoming the first rider to win five consecutive Tours.

3. Tadej Pogacar's Pulsating Time Trail (2020): Young Pogacar overshadowed the race leader Roglic in Stage 20 to take the overall victory, marking a significant moment for youth in professional road cycling

Part II: Moments of Turbulence

1. The Scandal of 1904: The second Tour was mired in controversy with riders guilty of taking trains, cars and using other unsportsmanlike tactics, leading to the disqualification of the top four riders.

2. Tom Simpson's Tragic Death (1967): British cyclist, Tom Simpson lost his life on the infamous ascent of Mont Ventoux, a tragic reminder of the event's harsh realities.

3. The Festina Affair (1998): Known as the 'Doping Scandal', the 1998 Tour shook the cycling world when a team car of Festina was found with large quantities of performance-enhancing drugs.

Conclusion: Lessons from the Past for the Future of the Race

While triumph paints the pictures of glory, turbulence showcases the grit, madness, and sometimes the dark side of the race. But it is the amalgamation of these moments, the highs and lows, the ecstasy and the endurance, that reflects the human pursuit of glory and embodies what the Tour de France is all about.