Beijing and Tianjin
Tianjin (the twin cities) is the correct answer.
you are right
Tianjin is located near Beijing; has agriculture and manufacturing (APEX)
The nearest major sea port to Beijing is Tianjin (Tianjinxingang = Tianjin New Port) located about 100 miles / 160 km southeast of Beijing.
The two major cities on the North China Plain are Beijing, the capital of China, and Tianjin, a major port city. They are both important economic and cultural centers in the region.
Beijing,Shanghai,Hangzhou,Shenzhen,Hong Kong,Xian,Chongqing,Tianjin,Nanjin,Shenyang
Its Tianjin (old name: Xingang)
Depends where in China. Some Major cities: Shanghai- about 17 hours Beijing- About 13 hours Hong Kong- About 18 hours Tianjin-
The Chaobai River in China flows from the Miyun Reservoir located in the Beijing Municipality all the way to the Grand Canal in Tianjin Municipality. The total length of the river is 284 miles.
Beijing is located in northern China, close to Tianjin Municipality and the Hebei Province. Beijing is the capital of the People's Republic of China and covers an area of around 16,410 square kilometers (6336 square miles) with a population of 14.93 million people.
Tokyo, pyongyang and Beijing