Author: Architectural bureau CHVOYA Saint-Petersburg, Russia. 2019 Competition first prize. AB CHVOYA + AM TRIA part of Bolshaya Morskaya Street, located between Nevsky Prospekt and the Arch of the General Staff Building in Saint-Petersburg, is a small yet important part of the main city ensemble and the threshold of Palace Square. We consider new design of Bolshaya Morskaya Street as an important, but relevant and respectful transformation. The project method is a minimal change in the existing situation. Existing streetlights are saved. Single-leveled paving defines different functional zones by the paving types: small granite blocks adjacent to the buildings; granite plates for the entrances to the buildings and terraces of the cafe; patterned paving in the central part of the street. It is supposed, that the space of Bolshaya Morskaya Street can be used, among other things, as the semantic entrance hall of the Hermitage Museum under the open sky. The paving pattern of the central part refers to the parquet floors of Hermitage enfilades. The beginning of the pedestrian part is marked by a small flat fountain. AB CHVOYA + AM TRI