Standing on a cliff overlooking the River Wear in England, Durham Cathedral began construction in 1093 A.D. and was finally completed in 1133. It was intentionally built just to the south of Durham Castle, so that the two buildings together would present a formidable defensive position against attacks from the north. Because of the constant threat of violence, the architect who designed it was slow to incorporate the light and airy Gothic style present in cathedral design throughout the rest of England. Thick carved pillars dominate the nave of Durham Cathedral, and the relatively few small windows leave the interior dominated by a damp gloom more characteristic of a castle than a church. The carved stone vaulting of the aisles and nave give an idea more of sheer strength rather than ornamental delicateness. It is not clear how much the building was meant to glorify God and how much to stand up to the persistent Scottish invaders, since at the time of the cathedral's construction, the city of Durham stood as the one of the most important northern outposts for the Normans, so it was targeted for incursion quite frequently. …