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MADRID, SPAIN - MAY 23: Queen Letizia of Spain (C) attends 'Re-Conociendo El Patrimonio Espanol En Europa' exhibition at the Colegio Oficial de Arquitectos on May 23, 2016 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)

MADRID, SPAIN - MAY 23:  Queen Letizia of Spain  (C) attends 'Re-Conociendo El Patrimonio Espanol En Europa' exhibition at the Colegio Oficial de Arquitectos on May 23, 2016 in Madrid, Spain.  (Photo by Carlos Alvarez/Getty Images)