diff --git a/docs/Chapter_07_Lab_Setup_and_Environmental_Safety.md b/docs/Chapter_07_Lab_Setup_and_Environmental_Safety.md
index 4c2a71c..c4e3e71 100644
--- a/docs/Chapter_07_Lab_Setup_and_Environmental_Safety.md
+++ b/docs/Chapter_07_Lab_Setup_and_Environmental_Safety.md
@@ -77,15 +77,20 @@ AI/LLM red teaming often deals with powerful models, sensitive data, and complex
   <img src="assets/chapter_07_rec_12_network_topology.png" alt="Isolated Lab Topology" width="512">
 </p>
 
-<p align="center">
-  <img src="assets/chapter_07_simple_topology_diagram.png" alt="Simple Lab Topology" width="600">
-</p>
+```mermaid
+graph LR
+A["Red Team VM(s)"] --> B["Test LLM/API Env"]
+B --> C["Staging Plugins/DBs"]
+C --> D["Synthetic Data Sources"]
+```
 
 ### Segmented Topology (for large engagements)
 
-<p align="center">
-  <img src="assets/chapter_07_segmented_topology_diagram.png" alt="Segmented Lab Topology" width="600">
-</p>
+```mermaid
+graph TD
+A["Red Team Zone"] --> B["Isolated LLM+Plugins Lab<br/>(matches client prod as close as possible)"]
+A --> C["Logging/Evidence Server<br/>(read-only access for client POCs)"]
+```
 
 ---