With the extraordinary heatwave affecting Europe and the UK over the past week, there's been a lot of talk about how we last coped when temperatures were this hot.
Mentioned frequently has been the summer of 1976. That year, the whole of Britain was affected by temperatures as high as 35.9 degrees, though the mercury has climbed a few degrees beyond that this week.
So why is this year's intense heatwave being compared to 1976?
