Australian beaches often have rips - dangerous narrow currents - so ocean pools were built to improve safety before there was a surf lifesaving culture - where volunteers trained in life saving techniques patrol the beaches.
People Also Ask
Australia builds more domestic swimming pools (per capita) than any other country in the world.
Lake Victoria, Tanzania and Uganda. Lake Victoria is referred to as the world's most dangerous lake. Don't let the calm water fool you; more than 5,000 people die in the waters every year.