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A man prays during a commemoration ceremony for the victims of a massacre of Jews during the Nazi Holocaust at Babi Yar in Kyiv, Ukraine, in this Sept. 29, 2021, file photo. (CNS/Reuters/Valentyn Ogirenko)
A man prays during a commemoration ceremony for the victims of a massacre of Jews during the Nazi Holocaust at Babi Yar in Kyiv, Ukraine, in this Sept. 29, 2021, file photo. (CNS/Reuters/Valentyn Ogirenko)