Brad Pitt, Ben Affleck and Laurence Fishburne have donated custom-made motorcycles to an online charity auction to benefit a planned memorial in Washington for Rev. Martin Luther King Jr.
Four bikes; two from Affleck, one from Pitt and one from Fishburne, are up for bid on till Friday.
The memorial will be built on the National Mall. The centerpiece of the memorial, the Stone of Hope, will feature a 30-foot statue of King.
Groundbreaking is scheduled this year, with the goal of completeing the site in 2008.