Celestial burial is very environmentally friendly. Why didn't anyone think of replacing cremation?

Funeral custom basically follows a traditional custom, not conditional on environmental protection. Celestial burial is a traditional way of funeral for ethnic minorities such as Mongolia and Tibet. Because of their natural geographical conditions and traditional customs, they choose this funeral method instead of saving resources, and cremation is the same. Burial is still used in some places, which is inseparable from local customs. After all, people are different from other animals and cannot be completely measured in this way. People are emotional first and have their own psychological factors. Perhaps most people can't accept this kind of funeral psychologically, especially they can't bear to see their loved ones eaten by eagles after their death, and they can't accept that they will be so miserable one day after their death. Even the funeral methods of ............................................................ are the same. Although it consumes resources, it at least appears civilized and progressive, unlike some ethnic minorities who still retain the original funeral methods!