India has a nationwide public toilet system, it's the railroad. People relieve themselves on the tracks. You can be traveling through the countryside, and when you notice people squatting on the tracks appearing it means you're near a town, As soon as they stand up creatures such as dogs, rats and crows will feast upon the new deposit.
The circle of life.
It was not uncommon to see people relieving themselves in the streets of NYC up until the 1960s or so. It was done discreetly between 2 parked cars.