Cohorts in Marketing. Similar to demographics, cohorts use quantifiable descriptors to identify target markets. Demographics, however, are the quantifiable descriptors themselves, such as the aforementioned age and household income.
The highest peaks are over 2,000 m (6,600 ft). Beijing Municipality consists of six city districts (previously eight, see Xuanwu and Chongwen), eight suburban districts and two rural counties. It covers a total area of 16,807.8 km2 (6,489.5 sq mi).
Beijing is the best destination to admire the Great Wall of China. Most famous Great Wall sections are located in its suburban areas, including the well-preserved Badaling and Mutianyu, the renovated Juyonguan, Jinshanling and Simatai, and wild Jiankou and Gubeikou. They are all not far from downtown Beijing, 1-2 hoursâ driving away. In Chinese history, Beijing was not only one of the ancient capitals, but also one of the most strategic cities in the north. To defend their territory, many rulers have actively ordered to build Great Wall here. The Great Wall in Beijing totals 573 kilometers (356 miles). Those from Ming Dynasty (1368-1644), the last dynasty engaged in Great Wall construction, amount to 526 kilometers (327 miles). They are distributed in Pinggu, Miyun, Huairou, Yanqing, Changping, and Mentougou.