

Volunteers and a skeletal staff have maintained sites in some parks. In others, the amount of damage and trash triggered an unprecedented move from the National Park Service to return more workers.
(Image credit: Mario Tama/Getty Images)
Volunteers and a skeletal staff have maintained sites in some parks. In others, the amount of damage and trash triggered an unprecedented move from the National Park Service to return more workers.
(Image credit: Mario Tama/Getty Images)