3 ms·
They have some pretty neat tech for building railroads fast in China: https://youtu.be/T7hdo9tL6u0?t=14 https://youtu.be/T7hdo9tL6u0?t=14
by narrator 10y ago
They have some pretty neat tech for building railroads fast in China: https://youtu.be/T7hdo9tL6u0?t=14 https://youtu.be/T7hdo9tL6u0?t=14