Walking yesterday here on the Big Island, this dust devil spun up sending sand and debris airborne. These rotary circulations occur when a patch of ground is heated, in turn heating the air above it. This heated air becomes buoyant and begins rising. The rush of air to replace this rising column of air begins to rotate and what we see in this video takes place. Wind speeds in these dust devils can reach 50 or 60 mph—which appears to have happened here. Some more extreme dust devils have generate

13K views · 1.4K reactions | Devil's Island Playthrough 落料 | Nick Menza | Facebook

For a century, France shipped prisoners to Devil's Island located off French Guiana so they would vanish from the public eye. | HISTORY

602K views · 4.1K reactions | Looming ominously off the coast of...