New Delhi, Dec. 30 -- A historic theater in the Russian-occupied Ukrainian city of Mariupol has opened its doors more than three years after it was pummeled in a Russian airstrike that killed hundreds of civilians sheltering inside.

Moscow-installed authorities marked the rebuilding of the Donetsk Academic Regional Drama Theater with a gala concert on the building's new main stage Sunday night. Images shared by Russian state media outlets showed the building's marbled pillars and staircases, and dancers wearing traditional Russian headdresses known as kokoshniks performing.

The original theater was destroyed when it was targeted by a Russian airstrike on March 16, 2022, as Moscow's forces besieged the city in the weeks after their invas...