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topics/02_passive/index.md

@@ -49,10 +49,12 @@ Photogrammetry is useful for outdoors settings, where all you need is a handheld
 
 
 # Key Benefits
-
-<p>Geometry and texture/color in one workflow.</p>
-<p>Affordability and flexibility. Depending on the end use application almost any camera will work given there is enough light and your post processing software is robust.</p>
-<p>Real time feedback and processing as models improve. <a href="https://mars.nasa.gov/technology/helicopter/#">Ingenuity Drone</a></p>
+### Unified Workflow
+Geometry and texture/color in one workflow.
+### Affordability and flexibility.
+Depending on the end use application almost any camera will work given there is enough light and your post processing software is robust.
+### Real Time Feedback & Processing*
+*as models improve. [Ingenuity Drone](https://mars.nasa.gov/technology/helicopter/#) relies on photogrammetry-based onboard processing for ground distance estimation, showcasing the efficacy of passive sensing approaches in complex environments.
 
 <p><img src="images/lidar_vs_photogrammetry_drone.jpg" alt="Drone imaging"></p>