The Trembling Plains get their name from the vast mekillot stampedes that shake the plains during early Fruitbirth season. The inhabitants of Kurn and of the Trembling Plains find it amusing that persons from the south refer to Kurn and Eldaarich as “Lost Cities.”
This is a companion discussion topic for the original entry at http://www.athas.org/articles/lost-cities-of-the-trembling-plains-introduction