We have received suggestions that we explain the notion of "Yulem" for folks. Wikipedia states,

"Yulem describes an object formed by natural processes which possesses a set of intrinsic aesthetic characteristics that transform it into an object of unique interest. Only a naturally formed object that is recognized to possess such a unique or appealing character is considered a yulem object."

What this definition doesn't emphasize is the environment friendly aspect of collecting and using yulem objects. By definition a yulem object is a recycled object. And, when no longer of interest it returns to its former, natural state (maybe to be rediscovered in some distant future)!
For the complete discussion of yulem objects and their related aesthetics see Yulem.com For the full Wikipedia entry visit Wikipedia on Yulem