Gulf Oil Disaster: Shocking images from 'One Tree Hill' stars Sophia Bush and Austin Nichols

"We're down on Grand Isle, and there are these giant piles on the beach that are covered in sand. And we asked what was under the sand on these piles -- because it can't just be piles of sand -- and they said 'We're not allowed to talk about it. We can't talk about it.'"

-- Sophia Bush

Image courtesy of Sophia Bush and Austin Nichols