." >> reporter: the tomb of seti i, ancient egyptian pharaoh.watched it being milled, printed, and set. but we're not in egypt's "valley of the kings," and certainly not in the 13th century, b.c. this is a workshop called "factum arte," in an eastern suburb of madrid, spain, filled with art and historical works of all kinds, with one unusual thing in common. everything in this large warehouse is a reproduction. a copy. but the work being done here raises profound questions about just what is "real," and what it means to "preserve" an object. the man who leads factum, with evangelical fervor, is british artist adam lowe. >> the state of the art is that we can make something that is identical to the original, under normal viewing conditions. >> reporter: so, is the idea that you're creating something that is, at least for the viewing experience, as real as the original? >> the idea is that you can get someone to understand the complexity of an object, and you can get them to read it in many ways, through encountering facsimile, yes. >> reporter: f