In the process of building the new airport, construction workers in China discovered "liquid gold". Of course, the liquid gold here is for archaeologists. At that time, the staff found a sealed bronze cooking pot in a tomb in Xi 'an, and the soup inside was still in liquid state. The soup has turned green because of bronze oxidation in 2400. In the soup, archaeologists also found bones.
Archaeologists found beef jerky in a 2,000-year-old tomb in Licun, Lintong Bay, China. The beef jerky was placed in a sealed bronze jar, which had carbonized and turned dark green. This is the oldest beef jerky found in China. The conclusion of beef jerky is that the beef in the copper cylinder has not shrunk after 2000 years, that is to say, it has been dried before being put into the grave.
There is evidence that ancient people knew how to make chocolate, usually in liquid form. However, ancient chocolate is difficult to preserve today. The chocolate in the photo was found in Scotland and can be traced back to 1902.