system of caves in sandstone rocks called puste kostely near novy bor, czech republic.large underground quarry.popular tourist

abandoned adventure archaeological attraction cave czech countryside nature republic entrance europe formation geology hole landscape limestone lusatian mountains luzicke hory mysterious mystical natural outdoor pillar puste kostely rock sandstone scary spooky stone tourism travel tunnel underground wuste kirchen system caves rocks called novy bor republic large quarry popular tourist attraction mysterious atmosphere czech