Tents were Pitched: Under Trees
Source: TTT
Genesis 18:1, 4
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.
Judges 4:5
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.