Water Wonder

Hey Indus Valley, what's your tale First planned drainage, without fail 3000 BC, baths so clean Cities built with systems seen Hey Mesopotamia, what's your way Irrigation channels every day Growing food in desert sand Civilization's first great plan Hey Roman Aqueduct, why so high Bringing water through the sky Lead pipes, fountains, baths galore Engineering at its core Hey Qanats, how do you flow Persian tunnels down below Moving water through the ground Desert cities safe and sound Water flowing, cities grow Ancient wisdom still to show Each system clever and new Keeping people's dreams come true Hey Storm Drains, why so deep Keeping cities dry and neat Victorian tunnels underground Stopping floods from coming round Hey Hoover Dam, why so strong Holding Colorado's song Power, water, flood control Desert blooming, that's our goal Hey Green Roofs, why plants up high Catching rain drops from the sky Slowing water's urban race Giving nature back its place Hey Bioswales, what's your role Filtering water is our goal Plants and soil working together, Making cities handle weather Some flows fast and some flows slow Some cleaned quick and some cleaned slow Each method special in its way Managing water day by day Hey Smart Sensors, what's your part Making water systems smart Real-time data flowing free Stopping waste and leaks we see Hey Water Future, what's ahead Recycling systems widespread Nature-based solutions grow While digital watersheds flow Water tech grows day by day Finding new and better ways What new systems will we see As cities grow sustainably Some systems old and some brand new All helping water flow on through Each innovation plays its part Making cities water-smart