Happy St Patrick's Day! In celebration of Ireland's patron saint, landmarks, rivers and even flocks of sheep are being dyed green.
As Guinness is glugged in pubs around the country, and massive felt leprachaun hats can be seen bobbing down the high street, buildings have also gone green in honour of Saint Patrick.
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Selfridges' Romanesque pillars were illuminated in a playful lime, while Italians showed their support for the Irish saint in Pisa, the famous leaning tower basking in a verdant light.
Send pictures of your St Patrick's Day and if they're good enough, we'll add them in.