Local area

Yan Botai, the ancient name Shangqiu, the folk name Mars platform, fire god platform, located in Shangqiu City, Suiyang District, Henan Province,3 miles southwest of Shangqiu ancient city, is more than 4500 years ago, it is more than the Eastern Han Dynasty astronomer Zhang Heng built in Luoyang Lingtai, more than 2200 years in the morning, is China's earliest existing star observation platform, to study the history of Chinese astronomical development is a rare physical data.