This is the ceiling in the Halles Laissac in Montpellier. The ceiling is a glass dome and :

It represents all the sunny facets of a melon, a typical Southern French fruit, and was designed by Fine Arts student Mona Young-Eun Kim, together with artist and Fine Arts teacher Miles Hall.

Quoted from laramoneta.com

Here is my picture again:

Domed Ceiling in Montpellier

I took this picture of tomatoes in the same Fruit market.

Tomatoes in Montpellier