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Photo: Luis Ascenso from Lisbon, Portugal, CC BY 2.0 via Wikimedia Commons
The longest suspended pedestrian bridge in the world, unsurprisingly 516 m in length. Reservations are made and tickets are bought online.
Arouca 516 is one of the world's longest pedestrian suspension bridges, located in the municipality of Arouca, in the North Region and the Aveiro District of Portugal. The bridge has a length of 516 m (1,693 ft). It is suspended 175 m above the Paiva River, which it spans. Its name is a reference to its extension in meters and the municipality where it is located.
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Geoparque Arouca
This UNESCO Global Geopark coincides with the municipality's territory. It includes sites of geology, archaeology, traditional villages, hiking trails, museums, and monuments.
Museu de Arte Sacra
Part of the monastery, contains large group of sculptures, paintings, jewellery, ceramics, books and other artefacts.
A museum dedicated to showing the phenomenon of granite rocks that are "giving birth" to biotite rocks. This is a relatively unique phenomenon, the museum is a bit less unique.