Making AI Useful | Innovations | Tech on Instagram: "The Soviet Union built a machine that walks. Not on tracks. Not on wheels. On hydraulic feet. This is a walking dragline excavator. A piece of engineering so massive and unusual that only a handful were ever made. The ЭШ 6/45 model is the most famous. Late 1970s. Soviet engineering at its peak. A machine designed for one job: move mountains of material. Here's how it works. A large flat base called a tub provides stability. Two hydraulic feet