Whether there is Mount Everest. AD 1714  1715, the Qing government sent from Beijing in Chin Tian Jian studied mathematics of Disaster principal wins live, Qin Tibetan Lama zur cloth and blue of the Champa, made a special trip into Tibet mapping map. They were extremely difficult traffic conditions, directly down to Mount Everest, using Survey charts and the trapezoidal
Projection, its location and height carried out preliminary measurements. In Kangxi 50 years, which was completed in 1717 the "emperor view map", it clearly marked the location of Mount Everest and named ‘Mother Chu Lang Maalin’. The full text of the map made of copper plates in 1719, made 1721 Wood Science, 1733 French map made again in Europe. In
These maps, Mount Everest in full, Han and French text appeared different set its name. this map can be said that the earliest historical documents on Mount Everest. If that is found on Mount Everest to the summit marked the first time to measure and record the words on the map , then the victory live zur Lan Qin Tibetan