For the source text click/tap here: Bava Batra 27
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With regard to a tree that extends into the public domain, one cuts its branches so that a camel can pass beneath the tree with its rider sitting on it. Rabbi Yehuda says: One cuts enough branches that a camel loaded with flax or bundles of branches can pass beneath it. Rabbi Shimon says: One cuts all branches of the tree that extend into the public domain along the plumb line, so that they do not hang over the public area at all.
While the Talmud doesn't specify the kind of tree that must be distanced from others, in Mesopotamia the most likely candidate was the Date Palm, Phoenix dactylifera.
We cite Psalm 92:13 צַ֭דִּיק כַּתָּמָ֣ר יִפְרָ֑ח כְּאֶ֖רֶז בַּלְּבָנ֣וֹן יִשְׂגֶּֽה׃
And explore the phenomenon of the “zaddik" in our times.