The housing did change over time.  This happened because of the Chinese religion that came into Japan.  Here, in Japan, the Shinto religion started.  However, global warming changed on the way they lived.  It changed their lives because they could become people that can grow food in one spot rather than being hunter-gatherers.  They could grow in one spot because it was warmer and the plants were able to grow. Some of the common characteristics of the River Valley civilization and the Place element are high knowledge in technology, agriculture, and having a central power. At the museum, there were many different poits with different patterns.  There were different dioramas with shrines.  There were many temples.  There were also many different tools that were used for hunting and growing food.  Some of the tools were complicated and some of them were easy to use.  There were many posters that indicated central power.