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 of distress, was meant to draw attention to the Trump administration’s cuts to the National Park Service.

An American flag was hung upside down on El Capitan at Yosemite National Park on Saturday following the firing of about 1,000 National Park Service employees.