High on the Rotterdam Weena Tower, Benjamin Verdonck is nesting. Literally. Here's a strange art project called "the Great Swallow" involving a nest, a man, and a giant egg (yes, why do you think he's nesting?). A nest is hanging high from the Rotterdam Weena Tower. Feathers fly around it. There's a man in the nest. He nested there only four days ago. He stretches his arms out wide open, as if he