Have you ever heard of "Virtual Plein Air"? It is a term used to describe an act of creating art inspired by Google Street Views. Artists literally look for exciting or interesting places they can then use as a source for their illustrations.
Repetition is one of the fundamental design principles and only by repetition rhythm arises: equal, versatile, syncopated or polyrhythmic. This principle can also be discovered and is used in architecture. Look and feel it.
Whether we're talking about politics or the animal kingdom, learning something new can require a fair amount of time and effort. Luckily, we don't always have to read lengthy scientific papers. Some people do it for us. And not only that — they narrow down everything to a few bullet points and illustrate them to help our minds remember.