VERKHNE-BLAGOVESHCHENSK, Russia — The crime scene is a riverbank from which Russian Cossacks drove thousands of Chinese to their death by drowning in the Amur River 120 years ago.... It is part of a nationwide preparation for celebrations on May 9, marking the 75th anniversary of the Soviet Union’s victory over fascism in 1945.A Chinese museum on the other side of the river displays a huge painting that shows Russians driving Chinese into the river.... Most residents were either Indigenous peo