France is facing one of its worst heat waves in more than a century, with daily average temperatures hovering around 30 degrees Celsius (86 degrees Fahrenheit) over a seven-day period and hitting a maximum of 39 degrees on Sunday, according to forecaster Meteo-France.

Heat waves in France have become more frequent and more intense in the past 30 years, and climate change means their number and duration is expected to increase further in the 21st century