ever noticed how the color changes on the top of some tall buildings?
color changes through the year:
https://dusty-puddles.com/wp-content/uploads/2026/03/2e811ea0-1.png
https://dusty-puddles.com/wp-content/uploads/2026/03/2e811ea0-1.pdf
https://dusty-puddles.com/wp-content/uploads/2025/12/013891-1.png
https://dusty-puddles.com/wp-content/uploads/2025/12/013891.pdf
the public domain code LaTeX code that created the images:
https://dusty-puddles.com/wp-content/uploads/2026/05/latex_codes_public_domain.zip