At the time of organize several pictures on a wall, many readers ask us what is the correct way to place them. The bad news is that there is no right way and it depends on such disparate aspects as the background color, the color and motif of the paintings or the light source, although the good news is that there are some infallible tricks that can take you out of trouble while you decide another organization.
Today I propose to do as in the image you have on these lines, where they have placed several black and white photographs framing them in black frames. With this system they achieve that each photograph has prominence since they are not differentiated by color or motives, almost all are human figures.
He black frameIn addition, it highlights each photograph on the background, of a lighter color. The truth is that this technique to frame frames in black works very well in the lighter surfaces, and I encourage you to try it on a pastel blue or cream background, to give two examples, even with colored boxes inside.
Attention to placement since the tables must be parallel and perpendicular to each other so as not to give chaos. And as always, try on the floor before hanging them the arrangement you want to put on the wall to see which paintings are best with others as well as the different frame widths that also play their aesthetic role in the composition.