In the documentary it's an underground tunnel is a long tunnel in which it was not hygienic conditions. PC running 25 years ago and then by acting rat and dispose waste conveyor.
In the documentary, it has an underground tunnel. It's like being in a long tunnel unhygienic. PC working on this for 25 years and serves to eliminate rats and transporting garbage left out.
In the documentary, it is image of underground tunnels. It's like in long tunnel at unhygienic PC this 25 years. By acting as mice and hauling garbage out.