When composing a photograph, don’t always put the subject in in the middle.
Try using the rule of thirds, ie a third of the way from either side and a third of the way from the top or bottom.
This makes a much more interesting image, and works for landscape orientation as well as portrait orientation.
This rule has been in use far earlier than the first photographic images, and can be seen in drawings & paintings by many famous painters and artists.
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