From October 19, tickets to cultural institutions in Moscow can be purchased only in electronic form.

      For cultural institutions and other organizations subordinate to the Department of Culture of the city of Moscow, for the period of the high readiness regime, from October 19, 2020, the sale of tickets for visiting   exhibitions and events, including those held by third parties, will be arranged in electronic form only.

      Tickets must be sold with a social distance of one seat to the left, right, in front of and behind the visitor. For the outer rows and places near the aisles, the social distance is considered to be completely free from other visitors, or the distance from other visitors must be at least 1.5 meters.

Sources: http://tourism.interfax.ru