What is the diggerstvo?
Diggerstvom is fond, as a rule, youth. They are attracted by the thrown underground military facilities, confidential lines of the subway, sewer systems. It would seem that for interest to wander in the dark and dampness, it is frequent with risk for life or health, besides, such "intelligence agents" are not encouraged with the authorities. But desire to learn those secrets and secrets which can store vaults of the cities is stronger than possible danger.