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01
Beware of dipping your toes into the world's largest river, the Amazon, which is teeming with dangerous wildlife such as piranhas, anacondas, and electric eels.
02
Rio Tinto River's pH downsized by industrial activities, high heavy metal and sulphuric acid concentrations make it unsafe for swimming.
03
The Citarium river's notoriety for its severe pollution level makes it similar to the Rio Tinto, with the risk of exposing oneself to industrial toxins and human waste that could cause sickness.
04
The Ganges, a sacred but highly polluted river, is home to dangerous wildlife such as crocodiles and snakes, making it a risky spot for bathing.
05
The Nile, the world's longest river, contains harmful bacteria that can cause skin infections, and diving into its waters can expose you to dangerous wildlife.
06
The Congo River's dissolved wastes from nearby mining activities and rampant waterborne diseases make entering unsafe.
07
The Yangtze's water is polluted with human and industrial waste, making it unsafe for bathing despite recent improvements in water quality; heavy metal pollution remains a concern.
08
Avoid stepping into the reeds of Lake Victoria, which is known for its high incidence of waterborne diseases like cholera, among other chronic ailments.
09
Dangerous currents and high pollution levels make swimming in this waterfront risky for both humans and boats.
10
The Colorado River's treacherous currents and rapids make it unsuitable for swimming, despite its popularity for whitewater rafting.