Question

why did ancient kings give importance to rain water harvesting

Answer 1

Because there is less amount of rain and water in those days to harvest. so they are kings they should take care so they gave importance to rain water harvesting

Answer 2

because in those days harvest was very important for the people so the harvest was very important for the king's to gain money and it was possible only when there is enough water that is why the king's gave importance to the rain water harvesting