Half of 28 to celebrate - all about vinos españoles

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Across
  1. 7. the region along the rio Oja
  2. 8. uniquely British but made in Spain
  3. 9. the world's number one proponent of this type of production
  4. 10. Spanish champagne
  5. 11. aged in oak and the bottle for at least 3 years and can be kept for up to 10 (if a player doesn't start, s/he is among the __________)
  6. 13. this variety comes from the Ribera del Duero
  7. 14. aged for at least 5 years before release and can be kept for up to 40+ years (2 words)
Down
  1. 1. Spanish Sekt
  2. 2. Eichenfässer
  3. 3. the home of Cava in the northeast (fang mit einem Schreiber an)
  4. 4. aged in oak barrels for at least 6 months, can be kept for up 5 years (cri de coeur!)
  5. 5. this variety is taken to France where it's known as "grenache"
  6. 6. these wines are totally oxydised, reduced and "rancid"
  7. 12. _ _ _ _ _ de la Frontera (the home of Sherry)