OVERLAND PARK, Kan., March 30, 2021 / PRNewswire / – The World Association of Water Parks officially opens registration for the 12th Biggest Swimming Lesson in the World ™ on Thursday, April 1. Host sites can celebrate April Pool Day by registering for this year’s Global Lesson at https://www.wlsl.org/WLSL/host_an_event.aspx. TheRead More →