Patrimonio sumergido del embalse de Cedillo Curiosity · Cedillo, Comarca de Valencia de Alcántara, Cáceres Image of Cedillo, not of the place itself. During episodes of extreme drought and exceptionally low water levels, the Cedillo reservoir has for the first time since it was filled in 1978 exposed submerged heritage elements, prompting a request to the Junta de Extremadura for their cataloging. Photo: Mentxuwiki (CC BY-SA 4.0) What to see and do in Cedillo