Cloudy with a high of 61 °F (16.1 °C) and a 44% chance of precipitation. Winds WNW at 14 to 15 mph (22.5 to 24.1 kph). Night - Mostly cloudy with a 52% chance of precipitation. Winds from WNW to ...

In c. 220 B.C., under Qin Shi Huang, sections of earlier fortifications were joined together to form a united defence system against invasions from the north. Construction continued up to the Ming ...