What are the interesting places in northern China?

The more interesting cities in the north are mainly concentrated in Beijing, Tianjin, Dalian, Baotou, Qingdao and Xi 'an, which represent different urban development history and regional cultural characteristics in the north. Beijing, the capital of China, is the location of old Beijing culture, the Olympic Sports Center, Tiananmen Square, the Great Wall, the old hutong, Xiangshan and many modern metropolises. Tianjin was one of the earliest cities in modern China that opened to the outside world, with the largest number of rentals. Go to Wudao, Italian Style Street, Quanyechang, Porcelain House and Tanggu Beach. Dalian is a port city. When you go to Dalian, you must see the female mounted police, see the foreign freighters coming and going, and taste the local unique snacks. Baotou is a super-large city that started with heavy industry, and it is the perfect combination of Xikou culture and grassland culture. You can visit Qiaojiajin Street, experience the culture and history of Shanxi merchants led by Qiao Zhiyong, taste local specialties such as steamed dumplings and chop suey on Worker Road, drink koumiss in Tara grassland of Sai Han, experience Mongolian customs, see the history of national defense and military industry in North Weapon City, and feel the excitement of water parks in Nanhai Wetland Scenic Area. Qingdao is a famous coastal city in the north. As soon as you get out of the train station, you can see the blue sea, go to the sea world to see strange creatures, climb Laoshan Mountain and drink spring water. Xi is an ancient capital and a central city in the northwest of China. You can go to see the Terracotta Warriors, Drum Tower, Dandan Noodles with local characteristics, trouser pocket noodles and Shaanxi Chinese hamburger.