People watch an art installation commemorating victims of the 1941 Babi Yar massacre close to a Babi Yar ravine, where the Nazi killed tens of thousands of Jews during WWII, in Kyiv, Ukraine, Sunday, October 3, 2021. Ukraine marked the 80th anniversary of the 1941 Babi Yar massacre. (Photo by Efrem Lukatsky/AP Photo)
