closeup of impressive sandstone rock structure in the przadki spinners nature reserve

abstract arcade background bedding bedrock bioerosion bizarre carvings cellular chunk closeup coarse corrasion cracks deflation eocene erosion erosive exfoliation fancy fissures fold form forms furrows geological geology grained impressive insolation joint mushy narrows nature pattern pits podkarpackie poland pores porous province przadki reserve rock rocky sandstone sedimentary shales shape spinners spongy stone structure suffosion surface texture thickbedded voivodeship weathering