What famous bridges were there in ancient times?

China's famous stone arch bridge:

Guangji Bridge: located outside the east gate of Chaozhou, Guangdong. It is a comprehensive transportation and commercial bridge in ancient my country. It is also the first switchable bridge in the world. It is a large stone bridge. There is a saying that "one mile long bridge means one mile?".

Wuting Bridge: Located in Slender West Lake, Yangzhou. The bridge base is 12 bluestone piers of different sizes. It is in the shape of an arch. It is composed of 3 different scroll holes. It has 15 holes. The holes are connected. The pavilions are connected by corridors.

Cross Bridge: Located in Jinci Temple, Taiyuan City, Shanxi Province. It is cross-shaped. The whole bridge is supported by 34 iron-blue octagonal stones. The top of the column is connected with cypress brackets and vertical and horizontal beams. The top is paved with a cross bridge deck.

Fengyu Bridge: Located on the edge of Linxi River in Chengyang Village, Sanjiang County, Guangxi. On the river, it is a stone pier with a wooden surface and a tile roof structure. Five tower-shaped pavilions are built on the bridge to provide shelter from wind and rain. The entire bridge does not require a single iron nail. It is exquisite and strong.

Wuyin Bridge: Located in the east of Hebei Province. On the shrine of Xiaoling Mausoleum of Emperor Shunzhi, there are 126 calcite railings on both sides of the bridge. When struck, it can make a wonderful sound?

Yudai Bridge: Located in the Summer Palace in Beijing, it is built of white stone. The arch circle is. It is egg-shaped. The bridge deck is reversely curved in both directions. The bridge body is carved with white marble. The white railings and pillars are beautifully carved on both sides. It is known as the "Immortal Island on the Sea".