replica ,piedra movediza ("wobbly stone") was a balancing rock located in tandil, buenos aires province,

replica piedra movediza wobbly stone was balancing rock located tandil buenos aires province argentina its weight about 300 tons terrain geology mountain badlands cliff sea sand monument formation coast sculpture plateau ocean wadi snow cape blue ridge argentina tons attracted attention tourists because way balanced edge hill fell broke february 1912 some sources say due vandalism vibrations caused explosions nearby quarry