8/7/2016 8:15 AM PDT BY TMZ STAFF
Alessandra Ambrosio has become an ambassador of sorts for her native Brazil, showing the world the waters in Rio are clean enough even for a supermodel.
The 35-year-old, who btw looks fantastic, may not have entirely avoided agua in the mouth, as the waves crashed behind her.
There were concerns about feces in the drink. Oh well …