This book includes GeoGebra modeling works of Korean cultural heritage. GeoGebra modelings in this book represent Korea's science and art at various times, starting with the Silla dynasty's Cheomseongdae (ancient astronomical observatory) of about 1,300 years ago, Jagyeongnu(water clock) and Angbuilgu(ancient sundial) of the Joseon dynasty.
1. Korean ancient astronomical observatory(Cheomseongdae, 첨성대)
2. Korean traditional drum(Janggu, 장구)
3. Korean Water Clock(Jagyeongnu, 자격루) with automata and sound