https://www.chinadragontours.com/attractions/zijinshan-astronomical-observatory-in-nanjing
Zijinshan Astronomical Observatory Nanjing, Nanjing Purple Mountain Observatory
Here we provide the useful information about Zijinshan Astronomical Observatory Nanjing including its location, opening hours, ticket, best time to visit, how...
astronomical observatorypurple mountainzijinshannanjing