strange yet interesting national emblem

The national emblem of Korea as shown on this wiki page http://en.wikipedia.org/wiki/Emblem_of_South_Korea
depicts a round shell of considerable thickness with openings at the top and the bottom. And, there's a sun that is neutral in charge inside. The national motto of South Korea is BENEFIT ALL MANKIND. Unbelievable amount of technology is coming out of that country. Interesting...