'It's cold, wet and dark and you just want to keep sleeping'

BBC Sport Wales explains why the Volvo Ocean Race could be the world's toughest sporting event.

Since October, seven boats have been racing around the world - battling storm-affected seas and freezing temperatures.

Ahead of their next stop in Cardiff at the end of May, Welsh sailor Bleddyn Môn explains how tough the round-the-world race really is.

Race footage courtesy of Volvo Ocean Race.

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