Complex sentence: From 1985-93, he directed the Hebrew University expedition to Zippori (Sepphoris) in the lower Galilee, which exposed a synagogue, whose floor has been exhibited in the Jewish Museum in New York.
Split into simpler sentences: From 1985-93, he directed the Hebrew University expedition to Zippori (Sepphoris) in the lower Galilee, which exposed a synagogue. Its floor has been exhibited in the Jewish Museum in New York.