A photo of a man in Alberta, Canada mowing his lawn while a tornado loomed behind him went viral in June. It was “a masterclass in nonchalance”, argued Kelly Grovier, who compared it with a painting of a twister made in 1939 – the same year Judy Garland, playing the character Dorothy Gale, was swept up by a tornado in the film The Wizard of Oz. (Credit: Cecilia Wessels/Faceboo
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