Old oil mill tunnels This amazing old set of tunnels date back to the early 19th century and were possibly built by napoleonic prisoners of war . They were originally built to provide storage for the oil mill but over the years have had many uses . Some of the brickwork inside is absolutely amazing and a credit to the builders . High vaulted cielings and beautiful domes topping large Chambers the place really is something to see . Deep inside there is also a secret train station that was used du

A massive abandoned train tunnel #abandoned #explore #urbex | Underground Birmingham