en Cuevana 3. A film from which you can learn about the first progress of the USSR in space exploration, as well as about the achievements of Yuri Gagarin, the world famous first cosmonaut, who was the very first to conquer the depths of space. This is an educational documentary film for people of all ages. And for those who are nostalgic about the past, and for those who want to learn more about space and its conquest.