tunnels

I’m Completely Mesmerised By This Tunnel-Scrubbing Beast Of A Machine

I’m Completely Mesmerised By This Tunnel-Scrubbing Beast Of A Machine

Video: With thousands of cars passing through every day, blasting the walls with dirty exhaust, it only makes sense that every once in a while a tunnel needs to be cleaned. But I had no idea there are trucks built specifically for the task, with giant scrubbers attached to robotic…