Engineers in Poland are building the world's deepest indoor swimming pool.
Engineers in Poland are building the world's deepest indoor swimming pool.
Would you Swim in this deep pool?
Watch: World's deepest swimming pool opens in Poland
The world's deepest diving pool in Poland - BBC News
Moment bear cools off from heatwave in swimming pool, swimming pool, heat wave, backyard
A kindergarten for divers': World's deepest swimming pool opens its doors in Poland
World's deepest diving pool to open in Poland this autumn — a 45-metre plunge
Poland opens world's deepest swimming pool with a depth of 148ft
World's deepest diving pool to open in Poland this autumn — a 45-metre plunge
World's deepest diving pool to open in Poland this autumn — a 45-metre plunge
Nouveau en Pologne: 45 mètres: la piscine la plus profonde du monde - L'essentiel
World's deepest diving pool to open in Poland this autumn — a 45-metre plunge
45m-deep diving pool opens in Poland
A kindergarten for divers': World's deepest swimming pool opens its doors in Poland
Would you swim in this 45m-deep swimming pool in Poland? - BBC Newsround