During April and May 1940 about 3,900 Polish prisoners of Starobelsk camp were executed in the Kharkiv NKVD building , later secretly buried on the grounds of an NKVD pansionat in Pyatykhatky forest ( part of the Katyn massacre ) on the outskirts of Kharkiv . The site also contains the numerous bodies of Ukrainian cultural workers who were arrested and shot in the 1937 – 38 Stalinist purges
Katyn massacre
Katyn massacre
Kharkiv