Archaeologists find many old things in the Amazon. This big forest is in South America. Now, they find hundreds of old shapes on the ground. These shapes are called glyphs. They are very old, more than 2,500 years old. People made these shapes a long time ago.
These glyphs are not small drawings. They are big shapes made in the earth. Ancient people moved soil to make them. They look like squares, circles, and other forms. They have raised banks and ditches. It is like ancient people built big art on the land. Sometimes, we can see them more clearly today because some trees are gone.
The glyphs show us that old people lived in the Amazon. They lived there a long, long time ago. They were smart people. They changed the land to build these special places. These discoveries help us learn about the past. We now understand more about the Amazon forest and the people who lived there first. It is a very exciting discovery for everyone.
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