It's how Alejo Santiñaque, a 20-year-old Uruguayan surfer who has been living in Australia for almost two years, tells of the attack of a shark that could have cost his life. The young man was in the water off Red Cliff, on the coast of New South Wales, and was waiting for a wave when he felt a violent blow and a strong traction to his foot. In a message published on social media he told that he had immediately understood what was happening: "A …