Zitan Hill(Shandong)
It is said that the famous militarist Guiguzi (鬼谷子) once lived in Zitan Hill, Zibo City, Shandong Province. Guiguzi (鬼谷子) , master of Warring States Period, ancient philosopher, his real name was Wang Xu, and lived in the Guigu mountain‘s valley (there is on Dengfeng county now), Gui Chinese word meaning ghost because this valley remains full of mist over whole years and looks like hidden ghosts and mysterious. Guiguzi is a master of military and international Relations. Examples of his students are Zhang Yi (strategist) and Sun Bin who was of giant influence for the Early and Middle Warring States Period.
