After trying out various solutions for backdrops, I came up with a solution that allows me to change backdrops quickly. I use two 60x60 cm boards that are positioned at right angles. Photos of the same size are attached to the boards with magnets. I got the photos from unsplash.com or freepik.com. Even choosing the photos is fun because the scenes are created in your mind's eye. Here are a few examples:
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