Tourists come to Crystal River, Fla., for the manatees, and the manatees come for the springs. Florida’s natural springs average 72 degrees year-round. The clear, cool water, which would be chilly for human swimming, is like a snuggly blanket for the giant marine mammals. The manatees float about the springs and eat copious amounts of sea grasses as if it were a lazy Sunday morning. Read more: http://bit.ly/2oeJLDa