An image of an upside-down U.S. flag hanging off the side of the famous El Capitan peak in Yosemite, for instance, spread across Reddit and Instagram. One post stated, "Brilliant protest. Yosemite National Park workers hung an upside-down American flag ...

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.