anaerobic bacteria growth could be a problem in a sealed environment, however, the gas generated from that action would long ago bloated the cans.
If the cans are still in the shape they were in 10-years ago, I say go for it. Or, wait...
I read about a man that took several bottles of Coke overseas during WW2, shared all but one with his comrades. He brought that bottle back and still has it, minus a bit lost to a house fire that boiled the bottle. Don't remember where I read/heard that, but its true. Coke keeps for a long time.
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