Thanassis Cambanis reports from Cairo:
At the northern end of Tahrir Square, by the National Museum, groups of men sleep in shifts beneath the treads of the army tanks that mark the northern perimeter of Revolutionary Egypt. Demonstrators allowed the tanks so the army could protect the antiquities in the museum, and ever since the army has tried to move them further.
Cambanis goes on to interview several of the sleepers. It's an interesting dispatch, and I recommend reading the whole thing. But the most remarkable part of the post is the photo that illustrates it:
Bonus Egypt link: the most nuanced analysis I've seen of the competing interests at work in the country.