The Marcuello site is magnificent, surpassing Loarre its visual field. The route of the Gallego, which widens their feet leaving the mountains and the famous Riglos Mallos, was perfectly mastered from their enormous ram, to level considerably higher than the borders of Ayerbe and Murillo, on the surface, fairly flat and wide, Ram are the ruins of the tower and two Romanesque churches.
Marcuello Castle of varying spelling in old documents - "Marcorllo ',' Mequrlo", etc. - Was one of the main central Prepirineo sector, forming a geographic group with Murillo, Aguero, Ayerbe, Loarre, which early twelfth century widow Queen Berta ruled.
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