Follow this link:

http://www.wonderfulinfo.com/islam/zamzam/

http://us.ebid.net/for-sale/cord-silver-necklace-w-zam-zam-water-saudi-arabia-47295660.htm

http://www.quran-o-sunnat.com/miracles-of-zamzam/

http://www.iccservices.org.uk/news_and_events/updates/zamzam_studies_and_research_centre.htm