Its rugged northern coastline is a favourite summer destination for Britons. But holidaymakers have been warned away from certain beaches in northern Brittany that have been swamped by tonnes of potentially lethal rotting green algae.
Its rugged northern coastline is a favourite summer destination for Britons. But holidaymakers have been warned away from certain beaches in northern Brittany that have been swamped by tonnes of potentially lethal rotting green algae.