Buyer Beware! As if souvenirs weren't cheap enough, the folks at a Thai zoo have devised a way to make their gift shop inventory even more undesirable. The zoo is recycling panda dung to make "panda excrement paper," used to produce souvenir fans, greeting cards, key chains, and book marks. Resourceful, yes...but let's cut the crap: it's a an idea that needs to be flushed. Bottom line.