These people are not in danger. What is coming down from the left is just the Moon, far in the distance. Luna appears so large here because she is being photographed through a telescopic lens. What is moving is mostly the Earth, whose spin causes the moon to slowly disappear behind Mount Teide, a volcano in the Canary Islands off the northwest coast of Africa.
Via NASA’s Astronomy Picture of the Day, photographer Daniel López captured this real-time moon setting behind Teide Volcano as the sun rose behind him. He also captured this view before the sun begins to rise:Next: A blue moon rises over Cape Byron Lighthouse in 1,038 images and travel from Quebec to the moon with a zoom lens.