I lived in the city where it had the largest number of Qanats. Amazingly, they could still be used today as an efficient means of water transport, but the gover

I lived in the city where it had the largest number of Qanats. Amazingly, they could still be used today as an efficient means of water transport, but the government has ruined them already, with sewage water, lack of maintenance, etc (what hasn't they ruined...)