How low can you? When the world's deepest pool opens in Poland later this year, complete with underwater caves and overhangs, you'll be able to go as low as 45 meters (148 feet).
원문출처 : https://www.cnn.com/travel/article/worlds-deepest-pool-scli-intl/index.html
원문출처 : https://www.cnn.com/travel/article/worlds-deepest-pool-scli-intl/index.html