A 'massacre' of a restoration?

Many people are unhappy with the restoration of a ninth century castle in Andalucia. The Spanish heritage and conservation group Hispania Nostra has called the restoration an act of heritage 'massacre'. Carlos Quevedo is the lead architecture of the restoration. What does he make of the criticisms?

(Photo: The ninth century castle in Andalucia following its restoration. Credit: carquero.com)