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We explore the tunnels under Świerkowa Kopa in the Sowie Mountains, discovering their secrets in the context of the Riese - Gontowa (Sokolec) complex. Along the way, we find interesting objects - quarries, former industry of the Bartnica and Świerków regions. The map of the railway under Gontowa comes from the website www.odkrywca.pl Krzysztof Szpakowski's and Tagen.tv's materials were used within the framework of the right to quote and related rights, for the purpose of critical analysis and educational purposes.