In order to save money with metro transit, inventors have created the camel subway system. Cutting cost is bottom line and while money is becoming harder to earn, the new camel subway will make a much greener, eco-riendly solution to growing transit needs. The camels require no power other than grain and water which equates to vast savings of revenue.عاقبت مترو تهران پس از هدفمند سازی یارانه ها