Wang Yibing what?

Tu is a famous cartographer in the history of China. 19 17, he made a map of the world with China as the center, and named it "Map of Wang Yibing". This map, translated into English by British geographer William Laplace, is known as the "latitude and longitude map of the world" and "the beginning of modern cartography". The production of this map took two years, in which Wang Yibing was mainly responsible for editing the map of China, while Laplace, a British geographer, was responsible for editing the global map. The map consists of longitude and latitude net, longitude, latitude and city name. It covers about 20 countries, and only one third of the world map is China, from which we can see that Wang Yibing attaches importance to the map of China. In addition, the map of Wang Yibing also puts forward a new geographical knowledge, that is, the theory of "measuring land", that is, the theory of measuring land. This is a new theory that geographers have never put forward, and it still applies today.