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.
Huma County, Heilongjiang Province is the northernmost area of rice cultivation in the world.
6. The most famous tidal bore in the world-Qiantang River Tide.
7. The world's largest meteorite shower and meteorite landed in Jilin Province.
8. Guangxi Lingqu, the driest sluice canal in the world.
9. The Beijing-Hangzhou Grand Canal, the longest canal in the world.