Olympic Committee to Test Rio's Water for Viruses

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legacy – n. something that happened in the past or that comes from someone in the past

perspective – n. a way of thinking about and understanding something such as a particular issue or life in general

recreational – adj. done for enjoyment

recommend – v. to say that (someone or something) is good and deserves to be chosen

appropriate – adj right or suited for some purpose or situation

authorities – n. people who have power to make decisions and enforce rules and laws

sewage – n. waste material (such as human urine and feces) that is carried away from homes and other buildings in a system of pipes