Horizon - Full Series Information, Trailer & IMDb Reviews
Horizon Season 16 Episode 21
Episode Title: Unknown
Genre:
Documentary
Countries:
UK,
Airing Date: May 25, 1980
Runtime:50 mins
IMDb Rating:
Watch Horizon Season 16 Episode 21 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
Horizon: Horizon investigates how the British landscape is changing its appearance with native trees being replaced by imported species.