Office workers enjoy a lunchtime in Leadenhall during the 2018 heatwave in the City of London, the capital's financial district, on 24th July 2018, in London, England. (Photo by Richard Baker / In Pictures via Getty Images Images)
Office workers enjoy a lunchtime in Leadenhall during the 2018 heatwave in the City of London, the capital's financial district, on 24th July 2018, in London, England. (Photo by Richard Baker / In Pictures via Getty Images Images)