A great photography tip you should keep in mind is to never compare yourself to someone else. If you're constantly comparing your work to someone else's, you're selling your own work short. You must learn to value and appreciate your own work, and not worry too much about everyone else.
When you are planning to take an action shot in advance, get educated about the subject matter. You cannot take a good shot of something that is moving if you don't understand the types of movement involved. Learn about the movements of the subject matter and it will show in your photos.
Make sure to set up your compositions so that vertical lines are truly vertical. Tilting the camera backwards to capture a tall building, for example, can cause the building to appear as if it is falling backwards out of the frame. Photographs in which buildings are not vertical often appear unnatural.
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