Participants play the piano during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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A participant plays the flute during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Actor Mikhail Boyarsky performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Actor Sergei Garmash performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Actor Evgeny Mironov performs as pianist Denis Matsuev plays the piano via video communication during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Actress Yulia Peresild performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Ballet dancer Sergei Polunin performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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TV cameramen wearing protective masks broadcast the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Singer Nikolai Baskov performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Bolshoi Theater prima ballerina Svetlana Zakharova performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Ballet dancer Sergei Polunin performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Russian conductor and violist Yuri Bashmet plays the violin during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Ballet dancer Sergei Polunin performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Singer Dima Bilan wearing protective gloves performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Singer Oleg Gazmanov wearing protective gloves performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Singer Dima Bilan wearing protective gloves performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Singer Oleg Gazmanov wearing protective gloves performs during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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Russian conductor and violist Yuri Bashmet plays the violin during the concert to thank country's medical workers amid the outbreak of the coronavirus disease, at the empty hall of the Bolshoi Theater in Moscow, Russia.

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