The world's oldest trade channel between East and West-Silk Road.
The largest city wall in the world-Shicheng, Nanjing in Ming Dynasty.
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.
The most famous tidal bore in the world-Qiantang River Tide.
The world's largest meteorite shower and meteorite landed in Jilin Province.
Guangxi Lingqu, the earliest sluice canal in the world.
The longest canal in the world-the Beijing-Hangzhou Grand Canal.
The Yellow River with the largest sediment concentration in the world.
Yarlung Zangbo River, the highest river in the world.
Himalayas, the highest mountain range in the world.
Tibet, the highest agricultural planting area in the world.
Taklimakan Desert is the desert with the largest proportion of mobile dunes in the world.
The world's largest land elevation difference-Mount Everest (
8844.43
) and Aiding Lake (1)
155
m)。
The most developed lava landforms in the world-Guangxi, Guizhou and eastern Yunnan.
The largest loess landform in the world-China Loess Plateau.
Qinghai-Tibet Plateau, the highest and youngest plateau in the world.
Mount Everest, the thinnest place in the world.
The highest altitude and largest area of plateau lakes in the world-the northern Tibet Plateau.
The only writing in human history that has developed to this day: Oracle Bone Inscriptions.
The only uninterrupted civilization in human history: Chinese civilization
The most populous country in the world: China.
The Yellow River with the largest sediment concentration in the world.
World population
The largest ethnic group: Han nationality
The largest and heaviest bronze ware in the world: Simuwu Dafang Ding
The earliest porcelain in the world was invented by China.
The earliest dictionary in the world: Shuo Wen Jie Zi written by Xu Shen, a philologist in the Eastern Han Dynasty.
The most famous temple in the world: Shaolin Temple.
The longest canal in the world: Sui and Tang Grand Canal and Beijing-Hangzhou Grand Canal.
The earliest papermaking, compass, movable type printing and gunpowder in the world were all invented by China.
The world's earliest total solar eclipse record
：
Chronology of bamboo books
Record:
"In the first year of King Iraq,
Days and denier in zheng "
Zhang Heng, a scientist in the Eastern Han Dynasty, was the first person in the world to reveal the cause of solar eclipse.
The earliest instrument to detect earthquakes in the world: the seismograph invented by Zhang Heng.
The first person in the world to make Pi accurate to seven decimal places: Zu Chongzhi, a scientist in the Northern and Southern Dynasties.
The first person in the world to accurately measure the meridian length: an astronomer and his party in the Tang Dynasty.
The earliest printed matter with clear time record in the world: Diamond Sutra.
The largest Buddhist cave temple in the world: Dunhuang Mogao Grottoes
The first large-scale commercial city in the world: Bianjing, the capital of the Northern Song Dynasty (now Kaifeng, Henan)
The earliest existing observatory in the world: Dengfeng Stargazing Observatory built by Guo Shoujing, an astronomer in Yuan Dynasty.
The largest stone Buddha statue in the world: Leshan Giant Buddha
The most populous province in the world: Henan Province, China.
The most difficult diversion canal in the world: hongqi canal.