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    Monumental Erratic Boulders

    Monumental Erratic Boulders

    Exhibition of a group of huge erratic boulders is situated in front of the Museum. The largest of them has the diameter of 9.6 m and weights more than 35 tons. The boulders were recovered from glacial deposits during construction works in different parts of Warsaw. As geological documents of particular value, they are protected by the Museum of the Earth as monuments of inanimate nature.