MADRID, SPAIN - FEBRUARY 10: A blind person feels with her hands a copy of 'The gentleman with his hand on his chest' of El Greco at The Prado Museum on February 10, 2015 in Madrid, Spain. 'Hoy toca el Prado' (Touch The Prado) allows blind or vision-impaired visitors to explore with their hands the copies of six masterworks. The copies were created using a technique called 'Didu' which provides texture and volume to the paintings. (Photo by Pablo Blazquez Dominguez/Getty Images)Pablo Blazquez Dominguez / Getty Images
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