Published on Tuesday, October 7, 2014 by Kathy McCabe Intrepid divers, swimmers and spectators can all the world’s deepest swimming pool, which opened in June at a thermal spa in the Veneto. The pool, which holds which holds 1,135,939 gallons of thermal spa water, is named named Y-40 Deep Joy after its 40-meter depth. Designed by architect Emanuele Boaretto for scuba diving and underwater photo shoots, the rectang...