No image there to get details from. Just a space. No information when right clicking. There is no outline box or select option at the bottom either. Just empty spaces.
If you compare the two images above, there seems no specific images either side that could be causing it. If you resize your browser window, the space does change position (images either side seem to swap places). Happens in IE, Edge and Mozilla. Using my mobile (Samsung Internet Browser) the spaces are there in a different position in responsive mode.