Tunnel lining sprayed with gray primer; styrofoam form for the rubble pile at the rear of the tunnel.
Image URL for use on other sites:
http://images14.fotki.com/v373/photos/1/15405/4342254/PC260002-vi.jpg
Link to send via email/instant messenger:
http://public.fotki.com/khamilton/models/mine-diorama/pc260002.html
Code for a Fotki Journal:
[photo id=bdqqbtdwrffsbfxkgtkrtdtdd type=vi style=1 align=no link=photo]