Sisters London, 13, left, and Midnight, 10, walk back to the line after riding a water slide at Cowabunga Bay water park in Henderson Wednesday, May 30, 2018. K.M. Cannon Las Vegas Review-Journal …

Sisters London, 13, left, and Midnight, 10, walk back to the line after riding a water slide at Cowabunga Bay water park in Henderson Wednesday, May 30, 2018. K.M. Cannon Las Vegas Review-Journal @KMCannonPhoto