Watch Panorama of the River Avon to Portishead (1902) : Full Movie Online Free This journey down the Avon gorge was filmed from the riverbank, from a boat and from the Portishead railway. Among views of the estuary, the cargo ship Vera and the fine wooden warship Formidable (then a training ship), Portishead docks and the entrance to the Clifton Rocks Railway. This underground funicular railway linked the town to the riverbank just below the Clifton Suspension Bridge. [BFI]