A dark cloud of smoke from nearby wildfires billowed over the town of Arcachon, France, on July 18.

Footage taken by Christophe Lge shows the sky turned black by an enormous plume of wildfire smoke. It comes as officials in Gironde report that wildfires have burned 19,300 hectares and forced the evacuation of 35,000 people. Credit: Christophe Lge via Storyful