• 7 years ago
This video was supported by Bill and Melinda Gates. You can check out the Gates Annual Letter here: ↓ More info and sources below .
Оригинальное видео:
Humans have always peed and pooped, but where it goes after weve done our business has changed a lot. In fact: The water you just drank may well have .
Зараз більше людей мають доступ до туалетів, ніж будь-коли раніше. Завдяки прогресу в сфері охорони здоровя.

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