 Originally, it had 102 gargoyles or spouts, but due to the heavy weight (they were crafted from marble), many snapped off and had to be replaced.Many medieval cathedrals included gargoyles and chimeras.According to French architect and author Eugène Viollet-le-Duc, himself one of the great producers of gargoyles in the 19th century, the earliest known medieval gargoyles appear on Laon Cathedral (c. 1200–1220).