Photojournalism is a subject that includes interest of the world and what is going on. Pictures say it all, politics, LGBTQ+, beauty, sports, you name it! Most of the time, pictures likes these can be used for magazine and more. There are different genres in photojournalism that you can use if you are a serious photojournalist. Because of this type of job, you get to travel into many places and experience many things.
The term that describes the optical trick of swelling columns at midpoint, which was used in the design of the Parthenon is entasis.
If you take a look at the ancient Greek columns, you will see that they are a bit wider in the middle - so the column is not completely straight, but rather swells up in the middle so as to "correct the visual illusion of concavity." It was often used by artists in the ancient Greek times.