Tianjin:
Tianjin for short is a municipality directly under the Central Government of the People's Republic of China and a national central city. Tianjin is located in the north of North China Plain, bordering Bohai Sea in the east and Yanshan Mountain in the north, with a total area of 1 1946 square kilometers.
Hohhot:
It is the capital of Inner Mongolia Autonomous Region, bordering Baotou City and Erdos City in the west, Wulanchabu City in the east and Shanxi Province in the south, with a total area of 17224 square kilometers. Jurisdiction over 4 districts and 4 counties 1 flag.