Review article

The paper discusses the restoration and preservation of the authenticity of the Marly Palace, a unique monument, taking into account its important compositional significance in the structure of the Lower Park in Peterhof, stylistic features and memorial value. Having studied the history of the construction and existence of the Marly Palace using archival and literary sources, the author provides information in regard of the restoration-renovation work referring to the XIX, XX, and XXI centuries. The article touches on the debatable topic of the restoration of key historical, architectural and artistic objects, the loss of which may be an irreplaceable loss both on the scale of a single ethnic group or state, and on the scale of the universal world heritage.