As Shanghai Expo hits its final weeks, it often feels as if everything that can be said about the city's once-in-a-lifetime spectacular has been said. Or, in the case of photos, seen. But a series of Expo close-ups by Marlene Lam show us otherwise and remind us that even if you think you've seen it all, you should look again. Focusing on visual patterns that emerge from various pavilion's structures and exhibits, Lam, a New York University Student who studied for a semester in Shanghai, gives us a unique set of images. Go here for the full set.