A group of frustrated Yosemite ... the firefall event, then roll it back up and leave — enough time for it to register with viewers in the valley but not so long that it would ruin the photos ...

Still images taken from video showing inverted U.S. flag at Yosemite National Park. (Credit: Anand K Sankaran via Storyful) Flying the American flag upside down is not a new concept. It is often ...