Though pyramids were built from the beginning of the Old Kingdom to the close of the Ptolemaic period in the fourth century A.D., the peak of pyramid building began with the late third dynasty and continued until roughly the sixth (c. 2325 B.C.)
Kimchi. Kimchi is probably the most recognizable traditional Korean food in the world. Napa cabbage is more commonly used for kimchi although various vegetables can be fermented to make kimchi too.