The first apparent heatwave of the year hit Spain last week, and there’s no let up yet as unusually high May temperatures are set to continue throughout much of this week too, with some parts of the country expected to reach 38C.

Experts warn that European cities are “calibrated to the old calendar", meaning they’re struggling to adapt to soaring May temperatures.

The first apparent heatwave of the year hit Spain last week, and there’s no let up yet as unusually high May temperatures are set to continue throughout much of this week too,…