According to legend, the national treasure of geographical Gankun was handed down from the descendant Yang Zanghua and came to Taiwan Province Province across the ocean. This theory was only circulated in Taiwan Province and became one of the important geomantic theories in Taiwan Province Province since the late Qing Dynasty and the early Republic of China.
Chen Qiquan was born in 1955. He is a famous geography teacher in the southern province of Taiwan Province, and he is the author of Interpretation of Gan Kun, a National Treasure of Geography.