A firefighter tries to extinguish a fire in Athens on July 17, 2015. #

A firefighting helicopter drops water on a fire as residents look on in Athens on July 17, 2015. #

People flee from a fire progressing in Athens on July 17, 2015. #

People run away from their houses during a fire in Athens on July 17, 2015. #

Tourists walk near the Parthenon temple as smoke from a nearby wildfire rises in Athens on July 17, 2015. #

Police officers help a nun to evacuate from a monastery during a fire in Athens on July 17, 2015. #

A fire burns on the mountain of Ymittos, in the eastern suburbs of Athens, on July 17, 2015. #

Two men ride a motorcycle away from a fire in Athens on July 17, 2015. #

A fire burns on a mountain over the town of Neapoli in southern Greece on July 17, 2015. #

Fire burns a warehouse in the town of Neapoli on July 17, 2015. #

Burned cars sit in a car lot as a wildfire rages in the town of Neapoli in the region of Laconia in Peloponnese, Greece, on July 17, 2015. #

Firefighters use a light to inspect a burned shop in the town of Neapoli, Greece, on July 17, 2015. #

Flames rise next to a fire truck as a wildfire rages at the village of Neapoli on July 17, 2015. #

Local residents try to extinguish a wildfire raging at the Kareas suburb, east of Athens, on July 17, 2015. #

A small airplane drops water over a fire at the holiday resort village of Asini, near the town of Nafplio, on July 20, 2015. #

Local residents try to extinguish a wildfire raging at the village of Neapoli on July 17, 2015. #

A firefighting helicopter flies over a forest fire in an Athens neighborhood on July 17, 2015. #

A man turns away as flames burn on the mountain of Ymittos in Athens on July 17, 2015. #

Smoke and flames rise next to houses as a wildfire rages above the village of Neapoli on July 17, 2015. #

Local residents carry water to extinguish a forest fire in an Athens neighborhood on July 17, 2015. #