Editor's note: From ancient times to the present, human beings have never stopped exploring the unknown world, and the ability and means to perceive the world are increasing day by day. Voice of the Chinese Academy of Sciences and the Institute of Aerospace Information Innovation of the Chinese Academy of Sciences jointly set up a column entitled "Observation of the Sky and Measuring the Earth" to introduce those things explored in the sky and on the earth, bring the latest progress in the field of space information, and popularize scientific knowledge.
Harbin, referred to as "Ha", is a famous historical and cultural city and tourist city in China, known as "Ice City", "Oriental Moscow" and "Oriental Little Paris". Today, we use a set of high-score remote sensing image maps to take you to see the ice city of Harbin.
Harbin covers an area of 53,100 square kilometers, has a population of about 9.5 million, and is home to 45 ethnic minorities, bringing together a variety of religions and cultures.

Harbin is a famous historical and cultural city of the country and the birthplace of "one country, two dynasties", that is, the birthplace of the Jin and Qing dynasties and the Bohai Sea.
The ruins of Jinshangjing HuiningFu, commonly known as Baicheng, are located 2 kilometers south of Acheng District, Harbin City, and there are 28 city gate ruins in the north and south cities, which belong to the national key cultural relics protection unit. It was the early capital of the Jin Empire established by the Jurchens, and after four generations of emperors of Jin Taizu, Taizong, Xizong, and Hailing, it served as the political, military, economic and cultural center of the Jin Dynasty for 38 years.
Harbin is a hot tourist city and an international ice and snow culture city, and was rated as one of the first batch of outstanding tourist cities by the National Tourism Administration in 1995.
Harbin Sophia Square is located on the south bank of the Songhua River in Harbin, where the Church of Saint Sophia is a famous landmark building in Harbin, full of unique artistic characteristics and charming exotic styles. This building, which was born nearly 100 years ago, has precious historical and cultural value.
Central Avenue is located in the Daoli District of Harbin and is an iconic street in Harbin. The streets include Renaissance, Baroque and other styles of architecture, reflecting the unique architectural style and urban characteristics of Harbin formed by the convergence and collision of cultures.
Harbin Ice and Snow World is located on the north bank of the Songhua River. On the banks of the river wrapped in silver, skilled craftsmen use the art of ice carving to show various wonders. After more than ten years of successful holding, Harbin Ice and Snow World has developed into an irreplaceable city card of Harbin.
In October 2018, Harbin was awarded the title of the first batch of "International Wetland Cities" in the world. To protect the "green lung of the city", Ice City has been working hard.
Sun Island Scenic Area is located on the north bank of the Songhua River in Harbin City, which is a national 5A-level tourist scenic spot and an ecological area along the river in China. Surrounded by clear water and beautiful scenery, the island is a typical river floodplain wetland grassland type scenic spot.
Heilongjiang Forest Botanical Garden is the only national forest park located in the urban area of the city, covering an area of 136 hectares, and there are various types of plant gardens in the park. The rich plant species and stable forest ecosystem have become the epitome of the large and small Xing'an Mountains.
Located in the geographical center of Northeast Asia, Harbin is located in the heart of the Eurasian Land Bridge, with water, land and air transportation in all directions, is one of the important comprehensive transportation hubs in the country, and is known as the "pearl of the Eurasian Land Bridge". At the same time, it is also a national strategic positioning of "developing an open regional center city along the border" and a "central city for cooperation with Russia".
Harbin Port is located on the south bank of the middle reaches of the Songhua River, and is the largest water and land reloading hub port and international port port in Northeast China. The port of Harbin is open to Russia, undertakes Sino-Russian water transport trade, and connects with important cities in the Russian Far East along the Heilongjiang River.
Harbin Taiping International Airport is located in Daoli District, Harbin City, 33 kilometers northeast of Harbin city center, is a first-class air port and international aviation hub open to the outside world in China.
Harbin railway station is an important railway hub in the northeast region, connecting with Russia on the outside and Shenyang Railway Bureau on the inside, and dozens of trunk lines run through the whole territory of Heilongjiang Province and parts of Inner Mongolia, constituting an important passage of the Eurasian Land Bridge.
The Heilongjiang Pilot Free Trade Zone was officially approved by the State Council on August 2, 2019. As the core area of the three major areas, the Harbin area of the pilot free trade zone is making every effort to create new advantages in opening up and cooperation with Russia and along the border, and focusing on injecting new momentum into the development of the old industrial base in northeast China.
Harbin science and technology comprehensive strength is relatively strong, ranking the forefront of large and medium-sized cities in the country. As of 2021, Harbin has 51 general universities, 78 scientific research institutions, 1180 high-tech enterprises, and 298 provincial and above science and technology awards throughout the year.
Harbin Science and Technology Innovation City is located in the northwest of Harbin city center, is a high-tech highland where High-tech, High-end and Kochi converge in Harbin, and is known as the "Wisdom Valley of Northern China". A number of domestic and foreign scientific and technological innovation projects of many scientific research institutes of the Chinese Academy of Sciences will soon be put into operation. Harbin Science and Technology Innovation City will become a powerful engine to drive economic growth.
Source: Institute of Aerospace Information Innovation, Chinese Academy of Sciences