Suddenly it all made sense--the stockpile of candles, the soft earth, the unfinished tunnel.

At that time water was allowed to fill the unfinished tunnel.

Galanskov watched the laborers walk about nervously, jammed into the dead end of the unfinished second tunnel like sardines.

He turned into the unfinished tunnel and was immediately assaulted by a sulfurous stench.

Plans are underway to open a second unfinished tunnel, the "northern bore", to carry eastbound traffic.

At the end of the catwalk, a hinged plate in the floor led to a metal ladder, which descended into a large, unfinished tunnel.

It was trapped beneath a fall of timbers in an unfinished tunnel.

Nonetheless the entrances to the unfinished tunnels still exist around the mentioned neighborhoods, which are mostly unguarded.

It was also one of the end points for an unfinished tunnel to Sakhalin, constructed between the years 1950-53 by the Soviet Union under Joseph Stalin.

The construction of the pre-war designed metro system was stopped, some unfinished tunnels were used as public shelters during aerial bombing and artillery bombardments.