A general view of treatment blocks at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

Medical workers perform a procedure on a patient at a temporary hospital in the Krylatskoye Ice Palace, where people suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A biohazard sign is seen at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

Medical specialists wearing protective gear look at the blocks of the temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A patient is seen before tomography at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A general view of treatment blocks at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A medical worker takes care of a patient at a temporary hospital in the Krylatskoye Ice Palace, where people suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

Patients are seen at a temporary hospital in the Krylatskoye Ice Palace, where people suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

Medical workers are seen at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A man gets out of an ambulance at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A medical worker leads a qi gong session for patients at a temporary hospital in the Krylatskoye Ice Palace, where people suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A medical worker is seen at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

Empty beds are seen at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A general view of the temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A general view of treatment blocks at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A medical worker disinfects food trolleys at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A general view of treatment blocks at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A general view of the temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.

A medical worker looks on at a temporary hospital in the Krylatskoye Ice Palace, where patients suffering from the coronavirus disease (COVID-19) are treated, in Moscow, Russia November 13, 2020.