Where Halacha, Science, History,Archeology combine with hands on old world expertise.
Greenspan and Zivotofsky in the shul in Bahrain 2009
Since 1981 Dr. Ari Zivotofsky and Dr. Ari Greenspan have been studying,researching and discovering mesora and lost traditions. This site contains the data of years of work in practical halacha and mesorah.
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