This led to substantial decrease in population and fewer archaeological sites.[42] In about 2000 BCE, Longshan was displaced by the Yueshi culture, which had fewer and less sophisticated artifacts of ceramic and bronze.
…………………………………………………………………………………………………………. यो मुलुक सिंगापुर जस्तो बनिसकेको छैन मात्र राजनीतिक परिवर्तन...