When clicking on a page's top image, that image is expanded and shown in a gallery of all the page's images. But the main image can be in a position different to first in that gallery, which makes it difficult to see the rest of the images positioned before, as the natural tendency is to swipe towards the end.

Possible solutions are:

• Ensure the main image is always the first one in the gallery.
• Make the gallery go round to the first image after the last one.
• Show a counter like "3 of 7".
• …