Ours may be more sophisticated in various ways, but sanitation systems were inve...

		jfk13 on Feb 10, 2020 \| parent \| context \| favorite \| on: Ask HN: What’s the most important modern simple in... Ours may be more sophisticated in various ways, but sanitation systems were invented long ago. https://www.harappa.com/lothal/14.html

Totally.