They appeared with the rise in price of land and an increase in the density of buildings. A lot of them have been preserved - from clean and comfortable to gloomy and stinking.

The well yard on Maly Prospekt of the Petrogradskaya side is known to many. Its distinctive feature is the octagon, which you will see when you raise your head. Perhaps this shape is associated with the octagonal Maltese star, as well as the courtyard of the Mikhailovsky Castle.

Cast iron wood has grown in the heart of the courtyard, which complements its atmosphere.