This peek behind the scenes at Kew Gardens in the 1940s was part of the ever-eccentric Secrets of Life series. Arcadian images of tranquil greenery, attended to by a discreet army of gardeners, make it hard to believe WWII was raging in the background. We're also treated to a spot of the series’ trademark time-lapse nature photography and charming narration - one plant described as "rather like an Italian having an argument with his hands".