Thousands of year ago , many Egyptians were made into mummies when they died. Sometimes they were buried inside pyramids.
Food can be preserved for a long time by keeping it in a freezer. it will still be fresh many week later.
There have been laws, books, music and art in China for thousands of years. It is a very old civilisation.
Sacrifices used to be an important part of many religions. Often chickens, goats or cows were killed and offered to the gods.