Final answer:
Portrait photography is the preferred style of format for professional photographers.
Step-by-step explanation:
Portrait photography is the style of format professional photographers prefer to use. It involves capturing the likeness and personality of an individual or a small group of people. It often focuses on the face and expressions, and can be done in various settings such as a studio, outdoors, or in natural light. Professional photographers choose this style because it allows them to create powerful and intimate images that tell a story or evoke emotion.
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