Flares are seen on the horizon as the fire advances through the forest toward the town of La Laguna and Los Rodeos airport in Tenerife, Canary Islands, Spain on Saturday, Aug. 19, 2023. Firefighters have battled through the night to try to bring under control the worst wildfire in decades on the Spanish Canary Island of Tenerife, a major tourist destination. The fire in the north of the island started Tuesday night and has forced the evacuation or confinement of nearly 8,000 people. Regional officials say Friday's efforts will be crucial in containing the fire. (AP Photo/Arturo Rodriguez)