Tents were Pitched: Under Trees

Then the LORD appeared to Abraham by the Oaks of Mamre in the heat of the day, while he was sitting at the entrance of his tent.

Let a little water be brought, that you may wash your feet and rest yourselves under the tree.

And she would sit under the Palm of Deborah between Ramah and Bethel in the hill country of Ephraim, where the Israelites would go up to her for judgment.