Ključne riječi: Martin Potančok, zeleznica, trat 170, vlaky, vlak, train, banska bystrica, horna stubna, harmanec, harmanec jaskyna, cremosniansky tunel, tunel, cremosne, muzejno dokumentacne centrum, mdc, zeleznice slovenskej republiky, zsr, zeleznicna spolocnost slovensko, zssk, lokomotiva, vrutky, tunely, Railways Of Slovak Republic (Organization), railway, dokument, documentary
Dužina videa: 20:32