Nanjing, the ancient capital of the Six Dynasties;
Nanjing is one of the four ancient capitals in China, one of the first national historical and cultural cities and an important birthplace of Chinese civilization. How many times has it blessed China in history? It is the only one of the four ancient capitals that has never been the capital of an alien regime.
It has long been the political, economic and cultural center of southern China. There were ancient human activities in Nanjing as early as100-1.20 thousand years ago, and there was Nanjing ape-man life in Tangshan 350 thousand-600 thousand years ago.
With a history of more than 7,000 years of civilization, nearly 2,600 years of city construction and nearly 500 years of capital construction, it is known as "the ancient capital of the Six Dynasties" and "the metropolis of the Ten Dynasties".
Xi 'an, the ancient capital of the 13th Dynasty;
Xi is an important birthplace of Chinese civilization and the Chinese nation. Chang 'an has been an imperial capital since ancient times, with the capital of Western Zhou Dynasty, Qin Dynasty, Western Han Dynasty, Eastern Han Dynasty, Western Jin Dynasty, Former Zhao Dynasty, Former Qin Dynasty, Later Qin Dynasty, Western Wei Dynasty, Northern Zhou Dynasty, Sui Dynasty and Tang Dynasty 13 dynasties.
Xi is one of the four ancient capitals in China, also known as the ancient capital of the 13th Dynasty. 198 1 was designated as a "world historic city" by UNESCO and one of the top ten ancient capitals in the world selected by American media.
Located in the middle of Guanzhong Plain, it borders Weihe River in the north, Qinling Mountain in the south and Bashui Chang 'an.
Luoyang, the ancient capital of the 13th Dynasty;
Luoyang has a history of more than 5,000 years of civilization, 4,000 years of city building and 1500 years of capital building.
Thirteen dynasties, including Xia, Shang, Western Zhou, Eastern Zhou, Eastern Han, Cao Wei, Western Jin, Northern Wei, Sui, Tang, Wu Zhou, Hou Liang, Later Tang and Later Jin, all established their capitals in Luoyang, which is known as the ancient capital of the thirteen dynasties, with 43 national key cultural relics protection units and more than 400,000 cultural relics.
Luoyang is one of the cradles of Chinese civilization and nation, the eastern starting point of the Silk Road in the Eastern Han Dynasty, Cao Wei, Western Jin Dynasty, Northern Wei, Sui and Tang Dynasties, and the central hub of the Sui and Tang Grand Canal.
Extended data:
Nanjing's landform belongs to Ningzhenyang hilly area, with low mountains and gentle hills as the main features. Low mountains account for 3.5% of the total land area, hills account for 4.3%, hills account for 53%, and plains, depressions, rivers and lakes account for 39.2%.
Ningzhen Mountain Range and Laoshan Mountain in the north of the Yangtze River run through the middle of the city. There are Hengshan Mountain and Donglu Mountain in the south, which are located in the southern boundary of the hilly area of Qinhuai River Basin. Nanjing's plane position is long from north to south and narrow from east to west, showing a positive north-south direction.
The straight-line distance between north and south is150km, the east-west width in the middle is 50-70km, and the east-west width at the north and south ends is about 30km. The southern part is a landform complex composed of low mountains, hills, valley plains, lakeside plains and rivers along the river.
Xi 'an ranks first in China in terms of altitude difference. The Qinling Mountains, with its steep and beautiful peaks, and the wide and flat Weihe Plain have clear boundaries, which constitute the main landforms of Xi 'an.
The main peak of Qinling Mountain is 2000-2800 meters above sea level, of which the main peak of Taibai Mountain in the southwest is 3867 meters above sea level, which is the highest peak in the central part of the mainland. Weihe plain is 400-700 meters above sea level, of which the lowest point of Weihe river bed in the northeast is 345 meters above sea level. Xi 'an City is built on the second terrace of Weihe Plain.
References:
Baidu Encyclopedia-Ancient Capital of Six Dynasties
References:
Baidu Encyclopedia-Xi 'an, the Ancient Capital of Thirteen Dynasties
References:
Baidu Encyclopedia-Luoyang, the Ancient Capital of Thirteen Dynasties