Ключевые слова: 100 year, 1970s, 70s, anniversary, er22, experiment, front, futuristic, high speed, highspeed, highspeed rail, highspeed train, jet engine, jet power, jet powered, locomotive, monument, no people, nobody, passenger, passenger train, prototype, rail, railcar, railcar factory, railway, research, research vehicle, russia, russian, soviet, soviet union, svl, technology, train, train factory, transportation, turbojet, turbojet train, tver, ussr,