basalt quarry hrebecna, ore mountains, czech republic.

ruins rock terrain tree wall cliff fortification plant building geology castle flower garden hill monastery village waterway view basalt quarry hrebecna ore mountains czech republic abertamy basalt rock beautiful bohemia column country countryside czech republic day eruption europe forest geological geology grass gray green hexagonal hill hrebecna landscape location mineral minerals mining mountain natural nature old old mountains outdoor pillar pillars quarry scenery sky stone summer texture tourism travel tree valley view volcanic