Beijing, known as Peking, is the capital of the People's Republic of China.

Xanadu is an archaeological site and ancient city located in Duolun County, Inner Mongolia, China.

Pyongyang is North Korea's largest city by both land area and population, hosting significant monuments, museums, and government buildings.

Nanjing, the 'Southern Capital', is one of the four Great Ancient Capitals of China.

Xi'an, a large city and capital of Shaanxi Province in central China, is one of the oldest cities in the country.

Seoul is a bustling metropolis meshing modern skyscrapers, high-tech subways and ancient palaces.

Lanzhou is a major industrial and commercial hub of northwestern China.

Fukuoka is the sixth-largest city in Japan and serves as the prefectural capital of Fukuoka Prefecture.

Saga is the capital city of Saga Prefecture, located on the island of Kyushu.

Nagasaki is a Japanese city on the northwest coast of the island of Kyushu, largely known for its historical events.