Guess what? This is a massively over-complicated look into guitar scales, major scales, and pentatonic scales and how to use them. Want to know some more efficient ways to go about using this stuff? Check out my article at this link:
This is an example of symmetry. I really like this photo because it is in black and white the fog in the background adds some depth to the picture. The arch of the bridge is symmetrical on both sides and creates a frame around the picture.