Firefighters stand on a bridge that leads to Nisa as a wildfire rages near Vila Velha de Rodao, central Portugal, on July 27, 2017. Forest fires raged in the early hours of Thursday in central Portugal, cutting off roads and forcing thousands to flee just a month after deadly blazes left more than 60 people dead. / AFP PHOTO / PATRICIA DE MELO MOREIRA (Photo credit should read PATRICIA DE MELO MOREIRA/AFP/Getty Images)
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AFP AFP Contributor

TOPSHOT - A fire-fighting helicopter drops it's load over a wildfire near Vila Velha de Rodao, central Portugal, on July 27, 2017. - Forest fires raged in the early hours of Thursday in central Portugal, cutting off roads and forcing thousands to flee just a month after deadly blazes left more than 60 people dead. (Photo by PATRICIA DE MELO MOREIRA / AFP) (Photo credit should read PATRICIA DE MELO MOREIRA/AFP/Getty Images)
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AFP PATRICIA DE MELO MOREIRA

A firefighter stands as she tackles a wildfire in Torredeita near Viseu, central Portugal, on August 9 2016. Forest fires, raging since Friday in northern Portugal, had redoubled in vigor late yesterday, mobilizing more than 3,000 men fighting against 160 fires, eight classified as "important". / AFP / FRANCISCO LEONG (Photo credit should read FRANCISCO LEONG/AFP/Getty Images)
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AFP FRANCISCO LEONG

A firefighter stands on top of a fire combat truck during a wildfire at Penela, Coimbra, central Portugal, on June 18, 2017 A wildfire in central Portugal killed at least 25 people and injured 16 others, most of them burning to death in their cars, the government said on June 18, 2017. Several hundred firefighters and 160 vehicles were dispatched late on June 17 to tackle the blaze, which broke out in the afternoon in the municipality of Pedrogao Grande before spreading fast across several fronts. / AFP PHOTO / PATRICIA DE MELO MOREIRA (Photo credit should read PATRICIA DE MELO MOREIRA/AFP/Getty Images)
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AFP PATRICIA DE MELO MOREIRA

A man stands on the roadside watching a wildfire at Anciao, Leiria, central Portugal, on June 18, 2017. A wildfire in central Portugal killed at least 25 people and injured 16 others, most of them burning to death in their cars, the government said on June 18, 2017. Several hundred firefighters and 160 vehicles were dispatched late on June 17 to tackle the blaze, which broke out in the afternoon in the municipality of Pedrogao Grande before spreading fast across several fronts. / AFP PHOTO / PATRICIA DE MELO MOREIRA (Photo credit should read PATRICIA DE MELO MOREIRA/AFP/Getty Images)
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AFP PATRICIA DE MELO MOREIRA