Model details page

At the bottom of each model detail page, after the Article Full image, there is an gallery of images. How are these images configured to load?

Thanks,

Hi greendome
Navigate to Extra fields tab in the article http://prntscr.com/18vvrqi
Image gallery : http://prntscr.com/18vvvdx
Add your images.
Note : You must select the Model extra files for model category in category settings

Regards