Fearless female free diver, Ashley Futral swims with a Sand Tiger Shark just off the coast of North Carolina. Ashley, 27, has swum over 100 times with these sharks, 20 miles off the coast of Wilmington, North Carolina, USA. Taking advantage of the artificial reef created by the sinking of two copper dredgers, Ashley has been perfecting the meditation techniques needed in free diving, having only taken up the sport three years ago