STRUCTURAL FEATURES OF CATHEDRAL SQUARES IN SIBERIAN CITIES (THE LAST THIRD OF THE XVIII <sup>TH</sup> – THE LAST THIRD OF THE XIX <sup>TH</sup> CENTURY)
Basing on abundant archival material the author considers the structural features of the cathedral squares in the Siberian cities (Tomsk, Krasnoyarsk, Irkutsk, Omsk, Biisk, Barnaul) that are the dominants of urban area, analyzes the significance of cult constructions and their composition solution in the process of cathedral squares formation (the last third of the XVIII <sup>th</sup> – the last third of the XIX <sup>th</sup> century), and also traces the spatial orientation of church buildings, which are housing-service complexes in a city square.