The broad walls of babylon.

Jeremiah 51:44
I will punish Bel in Babylon. I will make him spew out what he swallowed. The nations will no longer stream to him; even the wall of Babylon will fall.

Jeremiah 50:15
Raise a war cry against her on every side! She has thrown up her hands in surrender; her towers have fallen; her walls are torn down. Since this is the vengeance of the LORD, take out your vengeance upon her; as she has done, do the same to her.

broken.

Jeremiah 51:30
The warriors of Babylon have stopped fighting; they sit in their strongholds. Their strength is exhausted; they have become like women. Babylon's homes have been set ablaze, the bars of her gates are broken.

Isaiah 45:1, 2
This is what the LORD says to Cyrus His anointed, whose right hand I have grasped to subdue nations before him, to disarm kings, to open the doors before him, so that the gates will not be shut: . . .

the people

Jeremiah 51:9, 64
"We tried to heal Babylon, but she could not be healed. Abandon her! Let each of us go to his own land, for her judgment extends to the sky and reaches to the clouds." . . .

Psalm 127:1
Unless the LORD builds the house, its builders labor in vain; unless the LORD protects the city, its watchmen stand guard in vain.

Isaiah 65:23
They will not labor in vain or bear children doomed to disaster; for they will be a people blessed by the LORD--they and their descendants with them.

Habakkuk 2:13
Is it not indeed from the LORD of Hosts that the labor of the people only feeds the fire, and nations weary themselves in vain?