The enclosures at Göbekli Tepe are massive. They comprise great T-shaped pillars, some over sixteen feet high and weighing up to a ton, which were hewn from the site’s limestone bedrock or nearby quarries. The pillars, at least 200 in total, were raised into sockets and linked by walls of rough stone. Each is a unique work of sculpture, carved with images from the world of dangerous carnivores and poisonous reptiles, as well as game species, waterfowl and small scavengers. Animal forms project from the rock in varying depths of relief: some hover coyly on the surface, others emerge boldly into
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