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TEHRAN, IRAN: An Iranian young man works at the Zam Zam soft drink factory west of Tehran 26 August 2002. "Zam Zam Cola" has become very popular in Gulf Arab states, including Saudi Arabia, following a boycott on US-produced Coca Cola and Pepsi Cola. Zam Zam, named after Mecca's holy spring, was founded in 1954 and was for long time the Iranian partner of US Pepsi Cola until it was confiscated during the 1979 Islamic Revolution by a conservative powerful charity foundation, which currently runs it with 7780 employees in 16 different factories all over Iran. After the Gulf, Syria, Lebanon and Afghanistan, Denmark is expected to become the company's first European client. (Photo credit should read ATTA KENARE/AFP via Getty Images)

TEHRAN, IRAN:  An Iranian young man works at the Zam Zam soft drink factory west of Tehran 26 August 2002. "Zam Zam Cola" has become very popular in Gulf Arab states, including Saudi Arabia, following a boycott on US-produced Coca Cola and Pepsi Cola. Zam Zam, named after Mecca's holy spring, was founded in 1954 and was for long time the Iranian partner of US Pepsi Cola until it was confiscated during the 1979 Islamic Revolution by a conservative powerful charity foundation, which currently runs it with 7780 employees in 16 different factories all over Iran. After the Gulf, Syria, Lebanon and Afghanistan, Denmark is expected to become the company's first European client. (Photo credit should read ATTA KENARE/AFP via Getty Images)