This one hour documentary explores the Snowy Scheme both as an engineering wonder and an epic human saga. It took 25 years to build, employing one hundred thousand workers from around the world, yet was completed on time and within budget. The end result is a vast network of 16 dams, 7 power stations, 145 kilometres of tunnels, 80 kilometres of aqueducts, dozens of surge tanks, spillways and pressure pipes. On 17th October 1999, the 50th Birthday of the Snowy Mountains Hydro-electric Scheme was