1, masonry structure is a structure built of brick masonry, stone masonry or block masonry, also known as masonry structure. Comment on the topic of the paper and give paper net an answer.

2. Masonry structure is the oldest building structure.

3. Masonry structure has a long history and brilliant achievements in China. There is a world-famous Great Wall in Wan Li in history, which was one of the greatest masonry projects in the world more than 2,000 years ago. Song Yue Temple Tower in Dengfeng, Henan Province was built in the ancient masonry structure of China during the Northern Wei Dynasty. It is a brick tower with a height of 40 meters and a dense eaves. Anji Bridge in Zhao County, Hebei Province, was built in the period of Sui Daye, with a net span of 37.37 meters, a total length of 50.82 meters, a width of about 9 meters and an arch height of 7.2 meters. It is the earliest hollow stone arch bridge in the world, and it was selected as a 12 civil engineering milestone in the world by the American Civil Engineering Society. There is also the Dujiangyan water conservancy project built by Li Bing and his son in Qin Dynasty, which still plays an irrigation role. These are all worthy of our pride and inheritance.