When I travel in business, I always carry a small camera with me. One never knows when an opportunity will arise to make an interesting photo. Even from high up in the air and through an airplane window. This is what happened to me in a recent early morning flight from Istanbul; the light from the rising sun was gorgeous, and the clouds were illuminated in a very interesting way. The result is the first photo below.
Also during the same trip, but later on, some interesting cloud formations were visible. This is the second phot below, which I converted to B&W, due to the richness of the textures and tones in the clouds.
So, next time you travel, plan in advance to get a window seat.