Meet the British daredevil swimming over 1,000 miles around Iceland's entire coastline: MailOnline joins Ross Edgley on a swim in the Scottish sea to find out just what it takes to face one of the most extreme environments on Earth
EXCLUSIVE: MailOnline's Science and Technology Reporter, Wiliam Hunter, joined Ross on a training swim to see what it takes to prepare to face one of the most extreme environments on Earth.
