With the development of science and technology in the 21st century, people's living standard is getting higher and higher, and people's demand from all walks of life is also increasing significantly.


People can't live, study and work without books. Books are very important in the course of human development. People learn about the world, life, and all the mysteries through books. Without books, human science and technology civilization would not have developed so fast.


The library is to collect and organizes, a collection of books and materials, to let people read. The functions of a library are many:


1. Preserve the cultural heritage of mankind.


2. Develop information resources.


3. Participate in social education.


The earliest libraries were archives for the preservation of historical experience.


In 3000 BC, the Assyrian Empire established the world's first library. But it wasn't exactly a library. Because the way of writing was made of clay tablets with cuneiform script carved out of reeds. The library has more than 1,500 clay boards, each with 80 to 200 lines of text.


In 500 BC, Athens established the world's first public library.


In 300 BC, the Library of Alexandria was founded with 400,000 books. The Library of Alexandria is the first large repository of all the fruits of human civilization. These libraries are private. It wasn't until the advent of universities that there were libraries for all, first in Europe.


The oldest existing library in the world is the Vatican Library, which was established in the 15th century. The collection of philosophy, poetry, etc., brings people back to the classical culture of Greece and Rome.


The largest library in the world is the Library of Congress in Washington, USA. It was founded in 1800. It is the nation's oldest federal cultural institution and the world's largest repository of knowledge. It holds 121 million collections of all kinds. More than two-thirds of the books are stored in multimedia format. It includes many rare books, collections, the world's largest map, film reels, and more.


The largest library in Asia is in China. It is the National Library of China. The National Library of China is located in Beijing, China. It has three floors underground and 19 floors above ground.


In the library, there are a few things we need to pay attention to:


1. No smoking. There are mostly paper books in the library. To protect them, you can't smoke in the library. Keep all possibilities of fire away from the library.


2. Keep it clean. Don't eat in the library. Scraps of food can stain books.


3. Be quiet. People come to the library to read books. Don't make a loud noise.


4. Take care of books. Do not smear or tear the book.


Nowadays, with the rapid development of science and technology, people's material living standards have been greatly improved. At the same time, people's requirements for spiritual life are also constantly improving. The construction of the library has entered a period of rapid development. People need libraries. In the future, the library will surely bring us more surprises.