She's holding a mirror. I have no idea what's in the mirror but my suspicion is, she's seeing some kind of truth for the first time.
It was several years into my painting career before I began to add buildings and cityscapes onto my canvases.
Prior to that, I'd always created characters against an abstract or plain background. I preferred not to give too much away about a character, because I wanted people to be free to project their own ideas about who she or he might be.