Mablethorpe, Lincolnshire, UK. 30th December 2018. Mablethorpe coastguard practicing maneuvers in the open sea on the East coast of the UK at Mablethorpe, Lincolnshire on 30/12/2018 RNLI coastguard in boat in the sea in RNLI lifeboat Credit: Tommy (Louth)/Alamy Live News

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