This looks like a Pinterest-suggested options of Pins for you.
Today we’re starting to roll out a sneak preview of a new tool we’re calling Interests. Here you can explore interests specially designed to help you find Pins you like.Pinterest Rolls Out a Preview of "Interests" [blog.pinterest.com]
This has ended up being pretty helpful from a user's standpoint. I do wonder how one can get their pins to come up toward "the top" in any interest category. Since this is a new endeavor, I'm not sure many people have tried. Does anyone have any advice on this?