A man shelters from the sun with an umbrella during a heatwave in Nicosia, Cyprus July 15, 2023. REUTERS/Yiannis Kourtoglou TPX IMAGES OF THE DAY Photo: Yiannis Kourtoglou/REUTERS
Giorgia Bragion and Maria Romeo use a fan to cool off, as they visit Trevi Fountain, during a heatwave across Italy, in Rome, July 14, 2023. REUTERS/Guglielmo Mangiapane Photo: GUGLIELMO MANGIAPANE/REUTERS
A woman cools off near a fan at a caf?, during a heatwave across Italy, in Rome, Italy, July 14, 2023. REUTERS/Guglielmo Mangiapane Photo: GUGLIELMO MANGIAPANE/REUTERS
Visitors walk in front of the Acropolis' Propylaea, during a heatwave in Athens, Greece, July 14, 2023. REUTERS/Louiza Vradi Photo: LOUIZA VRADI/REUTERS
A visitor is affected by the heat atop the Acropolis hill, during a heatwave in Athens, Greece, July 14, 2023. REUTERS/Louiza Vradi Photo: LOUIZA VRADI/REUTERS
A woman uses a veil to shelter from the sun at the Capitoline Hill during a heatwave across Italy, in Rome, July 13, 2023. REUTERS/Remo Casilli Photo: REMO CASILLI/REUTERS
A woman walks on a street as she shields herself from the sun with a fan, amid an alert for heatwave in Shanghai, China July 13, 2023. REUTERS/Aly Song Photo: ALY SONG/REUTERS
Children play in a water fountain during a heatwave, near the walls of Jerusalem's Old City July 13, 2023. REUTERS/Ilan Rosenberg Photo: DEDI HAYUN/REUTERS
Visitors walk near the Parthenon temple atop the Acropolis hill, during a heatwave in Athens, Greece, July 14, 2023. REUTERS/Louiza Vradi Photo: LOUIZA VRADI/REUTERS
A volunteer gives water to a visitor near the Acropolis hill, during a heatwave in Athens, Greece, July 14, 2023. REUTERS/Louiza Vradi Photo: LOUIZA VRADI/REUTERS
A man shelters from the sun with a towel near the Colosseum during a heatwave across Italy, in Rome, Italy July 11, 2023. REUTERS/Guglielmo Mangiapne Photo: GUGLIELMO MANGIAPANE/REUTERS
People shelter from the sun with umbrellas at the Pincio terrace during a heatwave across Italy, in Rome, Italy July 11, 2023. REUTERS/Remo Casilli Photo: REMO CASILLI/REUTERS
A man shelters from the sun with a t-shirt near the Colosseum during a heatwave across Italy, in Rome, Italy July 11, 2023. REUTERS/Guglielmo Mangiapne Photo: GUGLIELMO MANGIAPANE/REUTERS
Firefighter EMTs Carlos Rodriguez (L) and Marco Lopez take a migrant woman and her two-year-old son, who is suffering from heat exhaustion, a seizure and difficulty breathing, into the Fort Duncan Regional Medical Center, amid a heatwave, in Eagle Pass, Texas, U.S., July 10, 2023. REUTERS/Kaylee Greenlee Beal Photo: KAYLEE GREENLEE BEAL/REUTERS
A blood pressure monitor and hospital bracelet are wrapped around a two-year-old's legs as he and his mother are transported to the hospital after the child suffered heat exhaustion, a seizure and difficulty breathing on the banks of the Rio Grande river, amid a heatwave, in Eagle Pass, Texas, U.S., July 10, 2023. REUTERS/Kaylee Greenlee Beal Photo: KAYLEE GREENLEE BEAL/REUTERS
A tourist from the UK receives help near the Colosseum after fainting during a heatwave across Italy, in Rome, Italy July 11, 2023. REUTERS/Guglielmo Mangiapne Photo: GUGLIELMO MANGIAPANE/REUTERS
A man pulls a cart carrying jugs of water amid the orange alert for heatwave, at a hutong alley in Beijing, China July 5, 2023. REUTERS/Tingshu Wang Photo: TINGSHU WANG/REUTERS