The second law of Thermodynamics has to do with entropy, or how systems will go from a higher-ordered state to a state of lower order (more disorganized). Think teenager’s bedroom as the perfect example.
I like the TV show “Life After People” which chronicles just how ephemeral the infrastructure of our civilization would be, without constant upkeep. The image below was taken in Montreal in September, 2009, of peeling graffiti paint. A year and a bit later, I wonder what that section of wall looks like now; continued decay, or a fresh coat of paint trying to forestall the inevitable?