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

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Image #1 -

Image #1 -

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Image #2 -

Image #2 -

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* 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.