1. Isaiah 21:13 (ESV)
  2. Exposition

Why would the caravans be in the thickets?

Isaiah 21:13 (ESV)

13 The oracle concerning Arabia. In the thickets in Arabia you will lodge, O caravans of Dedanites.

The only logical reason for caravans to leave the established paths and travel away from main routes was to hide from the enemy's attack, as in the time of war.