A chance of showers before 9am, then a slight chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 92. Northwest wind 3 to 8 mph. Chance of precipitation is 40%.
The Erligang culture was centered in the Yellow River valley. Erligang was the first archaeological culture in China to show widespread use of bronze vessel castings. In its early years, the culture suddenly expanded rapidly, reaching the Yangtze River, as evidenced by the largesite at Panlongcheng in Hubei.
A river civilization or river culture is an agricultural nation or civilization situated beside (and often drawing sustenance from) a river. Historically the first great civilizations all grew up in river valleys. The oldest, 3500 to 2000 B.C.E., was along the Tigris and Euphrates rivers in the Middle East; the name given to that civilization, Mesopotamia, means between the rivers.