One park holds more biodiversity than many entire European nations

Nature · Published 21 October 2026 Swipe more like this →

In short: Explore the Tagus International protected space, Europe's first international natural park. This documentary captures the ecological contrast between its Spanish and Portuguese banks and the ancient migrations of wildlife across the river.

The Tagus International area serves as a vital corridor where species from both sides of the Tagus River mix. Its biodiversity is so significant that it is estimated to host more plant and animal species than many individual European countries combined.

By showcasing these distinct ecological differences, the film highlights why this region was designated as Europe's first international natural park.

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