http://en.wikipedia.org/wiki/Century_eggOriginally posted by TWE:Not really in it lar , but rather century egg is immersed in horse urine for dunno how long to make it absorb the chemicals in the urine to make the inside change lor . But heck care ley i still love it . Actually there are many things that are manufactured in the most disgusting way , is just that we never know nia .