2. Silk Road, the oldest trade route between East and West in the world.
3. The largest city wall in the world-Shicheng, Nanjing in Ming Dynasty.
4. The world's tallest Tropic of Cancer sign tower-Guangdong Conghua North Return Sign Tower.
5. The most famous tidal bore in the world-Qiantang River Tide.
Great Wall of Wan Li, China:
Wan Li Great Wall is a great defense project in ancient China, and it has the longest construction time and the largest engineering quantity in China and even in the world.
An ancient defense project. Since the 7th and 8th centuries BC, it has been built continuously for more than 2,000 years, distributed in northern and central China.
On the vast land of the Ministry, the total length is more than 50 thousand kilometers, which is called "more than two thousand years up and down, more than 100 thousand miles vertically and horizontally" such as
This huge project is unique not only in China, but also in the world.
Silk Road:
"Silk Road" refers to the ancient land commercial and trade routes that started in ancient China and connected Asia, Africa and Europe. Silk in a narrow sense
The Silk Road generally refers to the Silk Road on land. Broadly speaking, it can be divided into land silk road and maritime silk road.
The "Silk Road on Land" is an overland trade passage connecting the hinterland of China and other parts of Europe, which was formed in the 2nd century BC, and it was 1 year.
During the th century, it was used until16th century, and it was the main channel for economic, political and cultural exchanges between the East and the West.
Road.
"Maritime Silk Road" is an ancient maritime passage for communication, trade and cultural exchanges between China and foreign countries, centering on the South China Sea.
So it is also called the South China Sea Silk Road. The Maritime Silk Road was formed in the Qin and Han Dynasties, developed from the Three Kingdoms to the Sui Dynasty and flourished in the Tang and Song Dynasties.
Period, changed in Ming and Qing Dynasties, is the oldest known sea route.