After the First Emperor unified China, Beijing became a prefectural capital for the region. During the Three Kingdoms period, it was held by Gongsun Zan and Yuan Shao before falling to Cao Cao 's Wei Kingdom. The AD 3rd-century Western Jin demoted the town, placing the prefectural seat in neighboring Zhuozhou.he first walled city in Beijing was Ji, a city-state from the 11th to 7th century BC. Within modern Beijing, Ji was located south of the present Beijing West Railway Station. This settlement was later conquered by the state of Yan and made its capital under the name Yanjing.
A new mobility scooter can cost from $800 to $5,000, with many costing $1,000 to $2,000 depending on the features you select. A used mobility scooter can be purchased for at least half the original cost.
1 Mid-range bikes cost $300 to $1,000. 2  These aluminum or lighter metal bikes are the best bet for everyday riders because their higher-quality wheels, chains and pedals increase their durability. 3  These bikes often also offer numerous speed settings, water bottle holders and other features. Trek offers a wide variety of bikes for commuting and touring at an average of $1,000, though some bikes from the geometrically sound Pilot series models cost more than $3,000. 2  Trek also sells tandem bikes, or those for two riders, from $660 to $3,630.