Relevant Art: room within a room and material/value

A different kind of room within a room:

http://www.nytimes.com/slideshow/2008/10/17/arts/design/20081018_FRIEZE_SLIDESHOW_6.html

and another room within a room:

here


Arist Susan Collis:
Precious materials inlaid/disguised/inconspicuously used in her objects/installations...look at the materials listed in the titling of the works:

a detail of one of her pieces:
http://www.nytimes.com/slideshow/2009/10/16/arts/20091017-frieze-slideshow_8.html

her gallery with more examples of her work:
http://www.seventeengallery.com/index.php?p=2&id=16&iid=8