A photographer record events and tells stories using images. They take pictures of people, places, events, and objects. Photographers often specialize in a type of photography. Portrait photographers take pictures of people in studios or on-site at various locations. Commercial photographers take pictures that are used in books, advertisements, and catalogs. Photojournalists, also known as news photographers, capture images that are usually used to illustrate stories on television news broadcasts or in newspapers or magazines. Aerial photographers take pictures of landscapes and structures from aircraft, while fine arts photographers sell their photographs to the public as pieces of art. About 147,300 people worked in this occupation in 2016. More than half of all photographers are self-employed as freelancers. Others work for companies that provide photographic services, broadcast companies, and publishers.