A rat in Rabat

This is an illustration I was commissioned to make for an ABC book, that needs to go with this poem:

A rat in Rabat stole the bishop's hat,
hitchhiked to Sliema and sold it to a cat.
With the money that he earned
he bought a ticket and returned,
several hours later, to Rabat.

Rabat is a place in Malta, so is Sliema.
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Technique:
This was created using digital collage technique that involves the layering of many photos and textures and much brushing over, to create a new unique image. Essentially its like good old fashioned collage... only it's done in photoshop, and extensively repainted.