Diggers with the lights go down the stairs to the basement.
Inspect the premises.
Interview homeless (tells how he was robbed and lost his apartment).
Diggers are in the darkness of the underground communications.
Objects found by Digger.
Diggers go upstairs.
Diggers on the descent of the Moscow River, wear waterproof suits, inflatable boat.
Traveling by boat on the river, swim in the gateway.
Sail through a narrow channel along the brick walls.
Go down the narrow passage through the water.
Diggers down into an underground tunnel.
Abandoned subway branch, go along the rails.