Thames Tunnel

The Thames Tunnel, built between 1825 and 1843 beneath the River Thames in London, was the world's first underwater tunnel designed for transportation. It was constructed using innovative tunneling techniques of the time, involving brick-lined tunnels supported by wooden frameworks. Originally intended for a railway, it later served as a pedestrian passage and transportation route. The tunnel demonstrated advancements in engineering and infrastructure, paving the way for future underground transit systems. Today, it is part of the London Underground and stands as a historic achievement in civil engineering.