This will, eventually, become a diorama of a section of men from the Prince of Wales Own Volunteers in Deepest Africa coming face to face with the past.
The basic construction is quite simple, as you can see; a DVD base with blue foam carved into rock. Some filler will be added for texture.
The most valuable lesson I've learned over the years is to plan your composition before you start sticking anything down.
More to follow; next steps are undercoating the miniatures and sticking some foliage down - awaiting delivery of some aquarium plants from ebay.