Yosemite National Park’s El Capitan has recently served as a medium from which activists have expressed messages of distress or protest. In February, park rangers held an upside-down American ...

Yosemite National Park’s El Capitan has recently served as a medium from which activists have expressed messages of distress or protest. In February, park rangers held an upside-down American ...

Yosemite National Park’s El Capitan has recently served as a medium from which activists have expressed messages of distress or protest. In February, park rangers held an upside-down American ...