From ancient times, China has been the dominant and referential culture in East Asia. Although variously developed Neolithic cultures existed on the Korean Peninsula and on the Japanese archipelago, archaeological evidence in the form of worked stone and blades from the Paleolithic and Neolithic periods suggests an exchange between the early East Asian cultures and the early introduction of Chinese influence. This cultural interaction was facilitated in part by land bridges that connected Japan with the continent.
As Korea and Japan continued in various Neolithic phases, developments in China from approximately 2000 BCE were far more complex and dramatic.
The answer is repousse. It is a method having to hammer
something from the reverse side to produce relief such as to imprint a design
using the other side rather than using the front side of the metal in which it
is described above.
