A visitor wearing a face mask looks at dolls on display during the international doll exhibition "The Art of Doll" in Moscow, Russia, on Feb. 20, 2021. Tens of thousands of dolls made by over 1,000 artists are on display during the exhibition which lasts from Feb. 19 to Feb. 22. (Photo by Alexander Zemlianichenko Jr/Xinhua)

A visitor wearing a face mask looks at dolls on display during the international doll exhibition "The Art of Doll" in Moscow, Russia, on Feb. 20, 2021. Tens of thousands of dolls made by over 1,000 artists are on display during the exhibition which lasts from Feb. 19 to Feb. 22. (Photo by Alexander Zemlianichenko Jr/Xinhua)

A visitor wearing a face mask looks at dolls on display during the international doll exhibition "The Art of Doll" in Moscow, Russia, on Feb. 20, 2021. Tens of thousands of dolls made by over 1,000 artists are on display during the exhibition which lasts from Feb. 19 to Feb. 22. (Photo by Alexander Zemlianichenko Jr/Xinhua)

A visitor wearing a face mask looks at dolls on display during the international doll exhibition "The Art of Doll" in Moscow, Russia, on Feb. 20, 2021. Tens of thousands of dolls made by over 1,000 artists are on display during the exhibition which lasts from Feb. 19 to Feb. 22. (Photo by Alexander Zemlianichenko Jr/Xinhua)