Biggest diving tank from europe is filled with water, there are 19 underwater windows installed.

Todi is the first indoor snorkelling and diving center in Europe where visitors under optimal and safe conditions to enjoy the underwater world, from colorful tropical freshwater fish and lifelike decorative elements.
A gigantic diving pool of 10 meters deep and 36 meters in diameter, with more than 6.2 million liters of water and a temperature of 23 °