Video: Offbeat - Adventurers start their mammoth 3,000-mile crossing of the Atlantic Ocean in a pedalo

Ex-jockey Anthony Ward Thomas and adventurer James Ketchell have started their mammoth 3,000-mile crossing of the Atlantic Ocean.

The pair set their sights on becoming the first Atlantic rowers to use both pedalo and row, forming the unique and brand new hybrid design and a never attempted before challenge.