In the 1930s, the Michigan Mechanical Company proposed building a large train that walked on four legs, covering long distances at a speed of approximately 20 miles per hour. However, the project failed as each trial revealed that the giant train would stumble and fall with the passengers on board. https://image.nostr.build/2736aab0e5c8f47e6ac513ef41b9687447d7ceba7d6ab5f75c0a462b33ed3f54.jpg