On September 17, 2019, my old pal TSH and I were poised at the south portal of the Bett Tunnel near St. Goar, Germany.

When a southward DB InterCity train burst forth from the inky gloom, I exposed a burst of digital images using my FujiFilm XT1.

Unfortunately the front profile of the iconic DB Class 101 electric caught the glint of the midday sun that resulted in over-exposure.

Working with Adobe Lightroom, I was able to reduce and appropriately adjust the exposure on the front of the locomotive while retaining proper exposure for the rest of the scene. I also recropped the photo and corrected for a 1-degree error in level.

Although it was unintentional, as I made this image in the briefest moment, this offers a subtle near- example of a Fibonacci composition, which is represented in the relative separation of key vertical elements.

For this example, I refer to the simple Fibonacci sequence: 0, 1, 1, 2, 3, 5 etc., whereby each succesive number is the sum of the two numbers that precede it. Ironically, it is the imperfect interpretation of the sequence that adds tension to the composition and makes it interesting to revisit.

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