The New Tretyakov Gallery exhibition features more than 90 artists including protagonists of the movement such as Lev Nusberg, Francisco Infante-Arana and Viacheslav Koleichuk

Cultural workers voice frustration at mixed closure orders, as theatres, concert halls and restaurants are allowed to stay open

State Tretyakov Gallery among 23 Russian museums planning to store and show works near former killing field Kommunarka

Visitors of a certain age may well be shocked to find that ultimately the Russian artist loathed the Bolsheviks as much as he did the tsars