See Muslim, Christian, and Jewish influences in Ávila's fortified city center and modern expansion
The medieval walls and historic center of Ávila, Spain.
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Contunico © ZDF Studios GmbH, MainzOverview of Prague.
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Encyclopædia Britannica, Inc.Media Editor: Lee Goldstein
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Contunico © ZDF Studios GmbH, Mainz; Thumbnail © Igor Dutina/Dreamstime.comOverview of tapas.
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Encyclopædia Britannica, Inc.From Columbus' hallowed voyage to the majestic cathedrals and basilicas, southern Europe has long been a stronghold of Roman Catholicism.
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Contunico © ZDF Studios GmbH, Mainz; Thumbnail © Andrii Shevchuk/Dreamstime.comLearn about efforts to increase the efficiency of solar cells.
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Piotr Wancerz/Timelapse Media (A Britannica Publishing Partner)Time-lapse video of Catalonia, Spain.