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<img itemprop="contentUrl" alt="A blood moon" src="https://i.guim.co.uk/img/media/75583fcfe2eb74f1e89ea320355ff4156f4ade7b/0_49_3904_2342/master/3904.jpg?width=300&amp;quality=85&amp;auto=format&amp;fit=max&amp;s=1e9b643d2c109a1e271f50046eac1324">
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A blood moon last occurred in July 2018, though clouds largely obscured the celestial phenomenon in the UK.
Photograph: JM F Almeida/Getty Images
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