Look at these two images related to Tulsa History. What do they have in common?

Question Title

Image #1 - 

Image #1 - 

Question Title

Image #2 -  

Image #2 -  

Question Title

* 1. Do you know what these things have in common?

Click "Next." 
If you answered "yes" it will take you to the answer page;
If you answered "no" it will take you to the next image.

T