Urban trivia: How big is Harbin?

Harbin covers an area of 53,100 square kilometers. Harbin ≈ 8 Nanjing ≈ 8.4 Shanghai ≈ 26.6 Shenzhen…

Urban trivia: Hulunbeier, the world ’s largest prefecture-level city

There are many countries in the world, these countries have different administrative units, and different administrative units also…