Scientific expedition to study the Tunguska meteorite in Krasnoyarsk Krai

July 1989. USSR. Krasnoyarsk Territory. Lake Cheko, located 8 kilometers from the epicenter of the explosion at the site of the Tunguska meteorite fall, and the laboratory of the scientific expedition to study the Tunguska anomaly in the Evenki Autonomous Okrug. The exact date of the filming has not been established. Vladimir Medvedev/TASS