claim: A thunderstorm produces something.
evidence: Peu del Funicular is a railway station in the Sarria-Sant Gervasi district of Barcelona .. Barcelona. Barcelona. Sarria-Sant Gervasi. Sarria-Sant Gervasi. Sarria. Sarria, Barcelona. It is served by lines S1 and S2 of the Metro del Valles commuter rail system , and is also the lower terminus of the Funicular de Vallvidrera .. Metro del Valles. Metro del Valles. commuter rail. commuter rail. FGC line S1. FGC line S2. Funicular de Vallvidrera. Funicular de Vallvidrera. Vallvidrera. Vallvidrera. Valles. Valles. Both commuter rail and funicular are operated by Ferrocarrils de la Generalitat de Catalunya , who also run the station .. commuter rail. commuter rail. Ferrocarrils de la Generalitat de Catalunya. Ferrocarrils de la Generalitat de Catalunya. The station has twin tracks on the main line , with twin side platforms .. The main part of each side platform is in tunnel , and only long enough to accommodate two cars , although narrow extensions in the open air of the Sarria side of the station allow passenger to disembark from , but not board , a third car .. side platform. side platform. Sarria. Sarria, Barcelona. When four car trains are used , the car at the Valles end of the train stops beyond the station and the doors do not open .. Valles. Valles. Stairs , lifts and a footbridge connect these two platforms with the street level station entrance above , and with the funicular terminus above that .. lifts. Elevator. The first station on the site opened in 1906 , when it was the terminus of the line from Sarria , providing an interchange with the funicular that allowed passengers to continue their journey to Vallvidrera on the hill above .. Sarria. Sarria, Barcelona. Vallvidrera. Vallvidrera. In 1916 , the Collserola tunnel , and the line onward to the Valles opened .. Collserola tunnel. Collserola tunnel. Valles. Valles. As a result , the station 's platforms moved to their current , partly underground location .