Further east, the historical Sadovniki area retained its 19th-century mix of residential blocks, military depots and factories.

He spent his entire life working on low-profile architectural and city planning projects in Moscow, such as working-class apartment buildings, schools and theaters.

School 518, for example, has such constructivist features as large glass panes and circular top floor windows.

Technologically, it was built of man-made lime and cinder blocks, with wooden ceilings, partitions and roof trusses.

Parents and preservationists, led by Selim Khan-Magomedov, managed to list the school on the national register of memorial buildings.

This memorial status allowed it to receive city funding for reconstruction of the protected interiors and southern facade.

Unlike other recently rebuilt constructivist buildings (i.e. Mostorg by Vesnin brothers), School 518 retains its original function and interiors.