In ancient Egypt, at a very early time, due to cultural reasons, the bodies of kings or ministers were mummified and preserved. This can't be done without a high level of medical care. Unlike ancient China, mummification even became a trend in ancient Egypt.
Extended data
There is a rectangular tomb of 14× 12 square meters somewhere in China, which contains the bones of 17 men and 24 women, and the bones here have no characteristics of sudden death. There are glacier tombs in the Andes in western South America, frozen tombs in Siberia, collective tombs and single tombs in China and Sumer, and tombs in Egypt. Mummies have been unearthed in northern high latitudes and South Africa.
The deceased has been carefully treated and prepared for resurrection in the future; The body is equipped with what is necessary for new life; Moreover, all tombs are designed and built very firmly and can withstand thousands of years of ups and downs.
Mummies can often be found in the desert of China, even in the ruins of ancient cities, and the most famous one is Loulan Beauty.
References:
Baidu encyclopedia-mummy