tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki
stalactites lan stalagmites sing kawangun saka watu iki, lumahan asring mengilap, rock grained banget nggoleki
data ora kasedhiya
Colosseum ing Roma, Italia, Sacre coeur in paris, prancis, Trevi Fountain in rome, italy