American cyclist Christian VandeVelde, 34, of team Garmin-Transitions is viewed after a crash along stage 2 in Spa, Belgium. (Spencer Platt/Getty Images)

After just four stages and one prologue, this year's edition of the Tour de France has turned into a crash fest. A sampling of photos of the world's most famous bike race.

Juan Jose Oroz of Euskaltel-Euskadi is viewed after a crash along stage 2 in Spa, Belgium. (Spencer Platt/Getty Images)

Garmin-Transitions' Tyler Farrar of the U.S sits on the road after a crash in the second stage from Brussels to Spa. (Bogdan Cristel/REUTERS)

France's Lloyd Mondory (C) gestures after crashing near the finish line in Brussels at the end of the 223,5 km and first stage. (Pascal Pavani/AFP Photo)

AG2R rider Lloyd Mondory of France walks to cross the finish line after he fell in the first stage from Rotterdam to Brussels. (Eric Gaillard/REUTERS)

Italy's Mirco Lorenzetto (L) receives assistance after crashing in the 223,5 km and first stage between Rotterdam (Netherlands) and Brussels (Belgium). (Joel Saget/AFP Photo)

The pack rides as riders crash during the 213 km and third stage between Wanze and Arenberg. (Joel Saget/AFP Photo)

Milram rider Linus Gerdemann of Germany (C) falls on a cobblestone sector during the third stage between Wanze and Arenberg-Porte Du Hainaut. (Eric Gaillard/REUTERS)

Riders fall on the cobblestones during the third stage between Wanze and Arenberg-Porte Du Hainaut. (Eric Gaillard/REUTERS)

Riders fall on the cobblestones during the third stage between Wanze and Arenberg-Porte Du Hainaut. (Eric Gaillard/REUTERS)

Cervelo rider Andreas Klier of Germany (L) falls on the cobblestones during the third stage between Wanze and Arenberg-Porte Du Hainaut. (Eric Gaillard/REUTERS)

Jens Voigt of Germany, sits next to his injured teammate Frank Schleck of Luxembourg, after he crashed on a cobblestone section during the third stage.(Fred Mons/AP Photo)

Riders fall during the first stage from Rotterdam to Brussels. (Bogdan Cristel/REUTERS)

Riders fall during the first stage from Rotterdam to Brussels. (Bogdan Cristel/REUTERS)

Footon-Serveto rider Manuel Cardoso cycles after his fall during the 8.9km prologue in Rotterdam. (Eric Gaillard/REUTERS)

Footon-Serveto rider Manuel Cardoso cycles after his fall during the 8.9km prologue in Rotterdam. (Eric Gaillard/REUTERS)

BMC rider Mathias Frank of Switzerland cycles after his fall during the 8.9km prologue in Rotterdam. (Eric Gaillard/REUTERS)

Luxembourg's Frank Schleck rides after crashing in the 201 km and second stage between Brussels and Spa. (Joel Saget/AFP Photo)

Radioshack's Lance Armstrong cycles on a cobblestone road during the third stage between Wanze and Arenberg-Porte Du Hainaut. (Joel Saget/REUTERS)

A close-up picture shows the bandage on the elbow of US Lance Armstrong as he attends the signature ceremony in Wanze, in the Meuse valley, before the start of the 213 km and third stage. Lionel Bonaventure/AFP Photo)

Seven-time Tour de France winner Lance Armstrong of the US, right, looks at his opponent and 2009 Tour de France winner Alberto Contador of Spain, as they ride in the pack during the third stage. (Bas Czerwinski/AP Photo)