Charlotte Echols, 5, holds onto the neck of her swim instructor Julia Mortenson, 19, as they cross the pool underwater in mermaid swimsuits during class at the Mermaid Swim School located on Northpark Road in Colorado Springs on Thursday, July 23, 2015. The swim school offers mermaid classes to little kids and a monthly siren swim for adults who want to play in a pool wearing a mermaid tail.