The Worlds Largest Swimming Lesson at Disney's Blizzard Beach

Roberta Nuckols walks with her sons, Ian, 3, and Evan, 4, to join children of Walt Disney World cast members and from the Boys & Girls Clubs of Central Florida in "The World's Largest Swimming Lesson," at Disney's Blizzard Beach Water Park in Lake Buena Vista, Fla., Thursday, June 20, 2019. The event is held simultaneously at swim venues and water parks around the world on June 20 each year. The World's Largest Swimming Lesson was created in 2010 by the World Waterpark Association, of Overland Park, Kan., to promote safe swimming and drowning prevention. (Joe Burbank/Orlando Sentinel/Tribune News Service via Getty Images)