On this earth, there are four kinds of ancient and prosperous civilization appeared long ago, They are the ancient Egyptian civilization, Sumerian civilization, ancient India and Chinese.The four civilizations have the same points and different points.In my opiniom,the same point is the key to make a civilization in this time.
First ,they all lived near water.Sumerian near the Euphrates,India have Ganges River,China have yellow river and Egypt have Nile.Water is the most important thing,whether ancient or modern.With fixed water, people can not have to worry about drinking water problems, so that people can live here, there is a fixed place, people can be more convenient to develop other