Introduction to the Jiujiu Century Pavilion: The Jiujiu Century Pavilion was built in 2005 to commemorate the military and civilians who have contributed to the greening of Monster Mountain over the past ten years. The pavilion is a steel structure with an external marble structure. It is about 15 meters high and has a top diameter of 13 meters. It is supported by nine columns 9 meters long and 90 centimeters in diameter. It is one of the landmark buildings in the capital.