In the same way it was also the beginning of the fishing technology and we can see the long rods in their hands which are used for hunting purposes.
This stage began with the domestication of plants and different ways of agriculture and irrigation systems.
In this picture we can see that the people are doing agriculture and irrigating the fields with water.
It is a stage in which new modern technologies came up and people began to gain knowledge about the different things. They started inventing new things, making new buildings. In short it is a stage in which they entered the modern world.