Beijing Ancient Observatory is located in the ... abundant calendars and important calendar reforms in China; the Shadow Observation House is the place that the astronomers in Ming and Qing ...

“Because the walls were defensive structures, you can learn about building and engineering skills throughout ancient China as well as its military history and strategies,” Ng says. “The wall ...

This discovery comes after a student accidentally discovered another ancient city found in south Mexico whilst scrolling Google. The discovery is the earliest found so far in southern China ...