Triangular Awesomeness!
What can we do with triangles?
Where are the pictures from?
Pictures shown on this website:

https://www.superman-picture.com/ Accessed 03 November 2007.
https://www.geocities.com/sunbowjoe/images/ Accessed 03 November 2007.
https://www.phx411.com/wordpress/images/2007/february/ Accessed 03 November 2007.