Five ways you can take action today to support national parks nationwide amid the layoffs of thousands of National Park Service and U.S. Forest Service personnel.

Organizers said the inverted flag, historically used as a sign distress, was meant to draw attention to the Trump administration’s cuts to the National Park Service.

The flag was reportedly hung over the side of El Capitan as a sign of protest by Yosemite employees concerned about the recent downsizing carried out as part of the Trump administration’s cost-cutting initiatives.