- You CAN drink tap water in Rio, that wont kill you.
- Stray bullets or carjacking are a more likely cause of trouble.
- No, Zika wouldnt be a concern durign winter.
And the beach...
I wouldnt go to Rio. You shouldnt.
While Brazil is smaller than Australia,more then (Australian population?) 23 million people live in rural areas without a phone line, or any mesure of decent public services (like water).
20 billion does not come close to solving anything, our problem is much larger.
Whoever exercised due diligence did not buy, yet...
...though his invention worked superbly -- his theory was a crock of sewage from beginning to end. -- Vernor Vinge, "The Peace War"