Lance Armstrong, center, in a yellow-streaked helmet and black shirt, leads a pack of cyclists on a three laps around Griffith Park. Armstrong brought the masses together by using Twitter, and they responded bright and early in the parking lot of the Los Angeles Zoo.
Lance Armstrong gets the cyclists ready for a ride around Griffith Park. It started as a tweet he sent out Wednesday: “Hey LA -- get out of your cars and get on your bikes. Time to ride. 7:30 tomorrow am. Griffith Park, LA Zoo parking lot. See you there.”
