With the right kind of preservatives you can keep them like that for decades...
North Koreans discovered long ago that malnutrition cures all sorts of alignments and is the key to eternal life. Sadly our beloved Father Kim Jong Il who once been exposed to evil western consumerism in a sick capitalist's plot, become corrupted and despite inhumane strenght of his brilliant mind could not overcome his greed, craving world's finest foods at all times. Heartbreakingly, he paid the ultimate price by becoming a mortal. Long live Kim Il, you're dearly missed.