Anti-government protesters sit on and lie inside the tracks of an Egyptian army tank, both to prevent the tank from moving and to shield themselves from the rain, at a protest site opposite the Egyptian Museum near Tahrir Square in downtown Cairo on Sunday, Feb. 6, 2011. (AP Photo/Ben Curtis)

Photo by: Ben Curtis

Anti-government protesters sit on and lie inside the tracks of an Egyptian army tank, both to prevent the tank from moving and to shield themselves from the rain, at a protest site opposite the Egyptian Museum near Tahrir Square in downtown Cairo on Sunday, Feb. 6, 2011. (AP Photo/Ben Curtis)