Here is a video featuring a sequence of aerial photographs of the Madisonville area between 1998 and 2016, courtesy of the Google Earth historical photo slideshow. Click on the image below to start the video. For full screen view, click on the [ ] symbol next to the YouTube logo when it appears in the lower right corner.
The area in the upper right showing the Interstate 12/La. 21 intersection and all of its shopping centers coming in is particularly interesting.