Soviet engineers designed a truck with an underside propelled forward by giant turning screws in the 1970's, but production stopped before the collapse of the USSR. Now the one-of-a-kind truck is being produced again to tackle Russia's squishy swampland. No, we're not screwing around, this Soviet-designed ZVM-2901 all-terrain screw-propelled vehicle is back on the assembly line at the Nizhniy Novgorod Plant of All-terrain Vehicles.