11 Conservators of many fragile monuments know that often the only way to protect the “real thing” is by restricting access to it, by substituting virtual auras for actual ones. (A) To protect the real fragile monuments, conservators have to reproduce actual auras in replacement of virtual ones. (B) Conservators replace the actual with the virtual because public access may do harm to many fragile monuments. (C) Conservators restrict public access to the “real thing” because it is more valuable than many fragile monuments. (D) According to the conservators of monuments, the “real thing” with restricted public access would generate virtual auras.