Update 3_structure.md

docs/3_structure.md

@@ -29,7 +29,7 @@ Graph databases mimic the natural relationships that exist in the real world; th
 
 The example image and four definitions below offer a basic understanding of the graph database approach:
 
-![Graph Database Example Image](https://github.com/chcdatabase/data-collection/blob/gh-pages/assets/images/graph_example.jpg)
+![Graph Database Example Image](https://raw.githubusercontent.com/chcdatabase/data-collection/gh-pages/assets/images/graph_example.jpg)
 
 ### Terminology
 
@@ -47,7 +47,7 @@ These six main nodes and five geographic nodes are connected by eight kinds of r
 
 The below schema depicts the overall structure of the database by showing what relationships are possible between the various types of nodes.
 
-![CHCD Graph Database Design](https://github.com/chcdatabase/data-documentation/blob/gh-pages/assets/images/CHCD_Schema.png)
+![CHCD Graph Database Design](https://raw.githubusercontent.com/chcdatabase/data-documentation/gh-pages/assets/images/CHCD_Schema.png)
 
 ### Node Descriptions