epa13143865 A person shelters from the sun under an umbrella on a hot summer day in Milan, Italy, 31 July 2026. The Italian Ministry of Health issued a 'red-dot' heatwave alert for 19 cities starting 01 August. By 02 August, the number of cities under red alert is expected to increase to 23 out of the 27 being monitored. EPA/MOURAD BALTI TOUATI

epa13143863 A person keeps a dog on a leash at a fountain on a hot summer day in Milan, Italy, 31 July 2026. The Italian Ministry of Health issued a 'red-dot' heatwave alert for 19 cities starting 01 August. By 02 August, the number of cities under red alert is expected to increase to 23 out of the 27 being monitored. EPA/MOURAD BALTI TOUATI

epa13143862 A person uses a fan on a hot summer day in Milan, Italy, 31 July 2026. The Italian Ministry of Health issued a 'red-dot' heatwave alert for 19 cities starting 01 August. By 02 August, the number of cities under red alert is expected to increase to 23 out of the 27 being monitored. EPA/MOURAD BALTI TOUATI

epa13143861 People use fans and shelter from the sun under umbrellas on a hot summer day in Milan, Italy, 31 July 2026. The Italian Ministry of Health issued a 'red-dot' heatwave alert for 19 cities starting 01 August. By 02 August, the number of cities under red alert is expected to increase to 23 out of the 27 being monitored. EPA/MOURAD BALTI TOUATI

epa13143866 People shelter from the sun under an umbrella on a hot summer day in Milan, Italy, 31 July 2026. The Italian Ministry of Health issued a 'red-dot' heatwave alert for 19 cities starting 01 August. By 02 August, the number of cities under red alert is expected to increase to 23 out of the 27 being monitored. EPA/MOURAD BALTI TOUATI

epa13143867 People walk on a hot summer day in Milan, Italy, 31 July 2026. The Italian Ministry of Health issued a 'red-dot' heatwave alert for 19 cities starting 01 August. By 02 August, the number of cities under red alert is expected to increase to 23 out of the 27 being monitored. EPA/MOURAD BALTI TOUATI

epa13143860 People shelter from the sun under umbrellas on a hot summer day in Milan, Italy, 31 July 2026. The Italian Ministry of Health issued a 'red-dot' heatwave alert for 19 cities starting 01 August. By 02 August, the number of cities under red alert is expected to increase to 23 out of the 27 being monitored. EPA/MOURAD BALTI TOUATI