What happens when you bury a coffin in someone else's old grave?

Burying a coffin in someone else's old grave may have the following consequences:

1. Destroying Feng Shui: Burying a coffin in someone else's old grave may destroy Feng Shui and have a bad influence on others.

2. Infringement of others' property rights: Burying the coffin on the coffin of others' old grave may infringe others' property rights and cause economic losses to others.

3. Violation of laws and regulations: Burying coffins in other people's old graves may violate laws and regulations and cause legal responsibility to others.

Therefore, it is suggested that the property rights and customs of others should be respected when burying coffins to avoid adverse effects on others.