UNDERWATER WINE AGING IN CHILE 🍷 In cages installed on the seabed around the small Locos Island in northern Chile, divers store bottles of wine as part of a pioneering underwater-aging program promoted by entrepreneurs linked to a local diving center. A constant year-round temperature (11-12 degrees Celsius), negative pressure and reduced light create the "cellar effect" that wineries typically achieve in galleries built underground. The bottles, submerged at depths of between 10 and 20 meters