I have a bunch of LEGO pieces given to me already setup, any ideas to what set? Tan base with white and transparent cheese wedges? These were already set up in a box of LEGO pieces that I got.  Anyone have an idea of what they might go to?
They appear to be part of the Sydney Opera House set:



It contains that tan slope brick:



And those white hinge brick bases:



And you can see those parts in that configuration.