Tie Your Mother Down was released as a single.
Cadi Tunnel -LRB- Catalan and Tunel del Cadi -RRB- is a toll road tunnel in Catalonia , Spain , connecting the comarques of Cerdanya and Bergueda .. Cerdanya. Cerdanya ( comarca ). Bergueda. Bergueda. Catalonia. Catalonia. Spain. Spain. Catalan. Catalan language. toll. Toll tunnel. road tunnel. road tunnel. comarques. Comarques of Catalonia. The tunnel , with a length of 5026 m , is part of the C-16 highway and E-9 , running under the Serra de Moixero mountain range in the Pre-Pyrenees .. C-16. C-16 highway ( Spain ). E-9. European route E09. C-16 highway. C-16 highway ( Spain ). Serra de Moixero. Serra de Moixero. mountain range. mountain range. Pre-Pyrenees. Pre-Pyrenees. It comprises two lanes , separated by a 2 m safety zone in the middle .. The southern entrance , at an altitude of 1175 m , is located in the settlement of l'Hospitalet , part of the municipality of Guardiola de Bergueda .. Bergueda. Bergueda. Guardiola de Bergueda. Guardiola de Bergueda. municipality. Municipalities of Catalonia. The northern entrance is in Cerdanya , in the municipality of Urus , and is at a height of 1236 m.. Cerdanya. Cerdanya ( comarca ). Urus. Urus. municipality. Municipalities of Catalonia