
As vacationers go on hiking trips, swim, sunbathe, fish, pick mushrooms and ski in various resorts across the Soviet Union, scientist Evgeni Chazov discusses the importance of active recreation in the prevention of diseases and fatigue.
As vacationers go on hiking trips, swim, sunbathe, fish, pick mushrooms and ski in various resorts across the Soviet Union, scientist Evgeni Chazov discusses the importance of active recreation in the prevention of diseases and fatigue.
2025
2025
2012
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2024
2017
1953
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1985
2025
2009
2022
2024
1966
2020