The 8-part BBC series The Planets includes a good segment on the Venera project, specifically the episode Terra Firma. https://www.imdb.com/title/tt0283775 htt

The 8-part BBC series The Planets includes a good segment on the Venera project, specifically the episode Terra Firma. https://www.imdb.com/title/tt0283775 https://www.imdb.com/title/tt0283775 Edit: Jump to the 16:50 mark here: https://www.dailymotion.com/video/xsyzwn https://www.dailymotion.com/video/xsyzwn