A video of Cincinnati Zoo and Botanical Garden’s most famous resident hippo practicing her water ballet has gone viral, amassing more than half a million views. Four-year-old Nile hippopotamus Fiona’s graceful twirling was captured by her keeper on June 9. “She has been doing barrel rolls like this her entire life,” Angela Hatke, Digital Engagement and Publicity Manager told The Epoch Times via email. (Courtesy of Cincinnati Zoo) The happy hippo has a massive fan following who are very delighted to see how far she’s come, especially after her rocky start in life. Fiona was born six weeks early to parents Bibi and Henry on Jan. 24, 2017. The premature hippo weighed only 29 pounds (13.1 kg) and became the smallest hippo to ever survive. According to a blog that chronicled Fiona’s birth, keepers made the decision to intervene after observing that the calf didn’t have the strength to make her way …