Deepest swimming pool in the world has 'underwater city' 200ft below surface

dailyrecord.co.uk:

The standard-sized Olympic swimming pools used in international competition are between eight and ten feet deep, roughly twice the depth of the average private pool.

But, in Dubai, the city that boasts the world's tallest building, you'll also find the world's deepest swimming pool. Plunging to a staggering 200 feet, Deep Dive Dubai is large enough to house an amazing "underwater city."Divers can explore an array of sunken attractions including a car, sofas, chairs, bicycles, a pool table, an enormous replica tree, a motorcycle, a life-sized Lego man, a library, a chess board, and even a functional foosball table.Equipped with 27 underwater loudspeakers, the facility can create immersive surround-sound experiences or broadcast vital safety announcements if neededDiving in the pool isn't advised for those with a fear of heights due to the risk of dangerous underwater panics caused by the sheer drop-off.

But there are "dry chambers" at six and 21 metres where divers can pause for respite.In addition to an advanced camera system monitored from a central security hub allowing lifeguards to keep an eye on every diver, the pool also features vast observation windows enabling non-swimmers to watch as their daring friends and family members navigate the breathtaking underwater landscape.This colossal 27-metre-long pool contains 14 million litres of water equivalent to six Olympic-sized swimming pools providing ample space for up to 10 humpback whales to glide through its depths.Rather than using chlorine or salt to keep the water clean, Deep Dive Dubai utilises a NASA-inspired UV filtration system and heating elements to maintain the water at a tropical 30ºC.Initially opened in 2021 as a scientific research facility, it's now