Capital Cities and Tombs of the Ancient Koguryo Kingdom - Credit: Wikimedia Commons
The Capital Cities and Tombs of the Ancient Koguryo Kingdom is an UNESCO World Heritage Site which includes a number of archaeological sites currently in Ji'an, Jilin Province and Huanren, Liaoning Province in Northeast China. Goguryeo (or Koguryo, "Gaogouli" in Chinese), (37 BCE – 668 CE) was a Korean Kingdom located in the northern and central parts of the Korean Peninsula and the southern and central parts of Manchuria. Read more on Wikipedia
Source: en.wikipedia.org