This one it might be dust floating I don't know. I'm not experience at this so I'm not too sure what to do.
If anybody can give me any guidance it's well appreciated thanks.
This the first one I took I have red ring the spots so you can see more clearly.
These stairs are are not active as the other stairs I had took
1)
2These stairs are suppose to be more active in the building. )
3)This one may have something to do with the flash.
4) I took this one because of the fan

The chair by the wall is where I sat when it happen.
