Chinese paramilitary officers stand on duty near a sign which reads "Tourists Halt" in front of the National Museum across from Tiananmen Square in Beijing, China, Monday, Oct 8, 2007. Authorities in the Chinese capital are preparing the area around Tiananmen Square for a major Communist Party congress next week at which President Hu Jintao is expected to fill several top posts with younger leaders loyal to his rule. (AP Photo/Ng Han Guan)