documentário
Watch the documentary A Savana e a Montanha by Paulo Carneiro at Cinema Trindade. It follows Covas do Barroso as the community learns about plans for a large open-pit lithium mine nearby and organizes to defend their land.

Image: from the event entry at Agenda Porto.
Source: Agenda Porto (Câmara Municipal do Porto). Details can change; the original entry is the reference.