The big prize on N. Korea's black market

A marshmallow pie is so popular in North Korea that people are buying it for up to a day's pay on the black market.
A marshmallow pie is so popular in North Korea that people are buying it for up to a day's pay on the black market.

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    The big prize on N. Korea's black market

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A marshmallow pie is so popular in North Korea that people are buying it for up to a day's pay on the black market.