epa13176359 A helicopter fights the flames of a forest fire in Vilarinho da Castanheira, Portugal, 17 August 2026. The fire started in Torre de Moncorvo and spread to the municipality of Carrazeda de Ansiaes. EPA/PEDRO SARMENTO COSTA

epa13176358 A helicopter fights the flames of a forest fire in Vilarinho da Castanheira, Portugal, 17 August 2026. The fire started in Torre de Moncorvo and spread to the municipality of Carrazeda de Ansiaes. EPA/PEDRO SARMENTO COSTA

epa13176357 A helicopter is prepared to fight the flames of a forest fire in Vilarinho da Castanheira, Portugal, 17 August 2026. The fire started in Torre de Moncorvo and spread to the municipality of Carrazeda de Ansiaes. EPA/PEDRO SARMENTO COSTA

epa13176355 Firefighters fight the flames of a forest fire in Vilarinho da Castanheira, Portugal, 17 August 2026. The fire started in Torre de Moncorvo and spread to the municipality of Carrazeda de Ansiaes. EPA/PEDRO SARMENTO COSTA

epa13176362 A firefighter fights the flames of a forest fire in Vilarinho da Castanheira, Portugal, 17 August 2026. The fire started in Torre de Moncorvo and spread to the municipality of Carrazeda de Ansiaes. EPA/PEDRO SARMENTO COSTA

epa13176363 A helicopter is prepared to fight the flames of a forest fire in Vilarinho da Castanheira, Portugal, 17 August 2026. The fire started in Torre de Moncorvo and spread to the municipality of Carrazeda de Ansiaes. EPA/PEDRO SARMENTO COSTA

epa13176364 Local people watch the flames and smoke from a forest fire in Vilarinho da Castanheira, Portugal, 17 August 2026. The fire started in Torre de Moncorvo and spread to the municipality of Carrazeda de Ansiaes. EPA/PEDRO SARMENTO COSTA