March 18, 2014: Ana Ivanovic of Serbia, Sorana Cirstea of Romania, Marina Erakovic of New Zealand, Heather Watson, and Christina Mchale of the US swim with dolphins at the Miami Seaquarium before the Start of The 2014 Sony Tennis Open in Key Biscayne, FL. Pictured here: Ana Ivanovic, Sorana Cirstea.,Image: 187658759, License: Rights-managed, Restrictions: , Model Release: no