'Gates' in the Bible

The roads of Zion are in mourningBecause no one comes to the appointed feasts.All her gates are desolate;Her priests are groaning,Her virgins are afflicted,And she herself is bitter.

Her gates have sunk into the ground,He has destroyed and broken her bars.Her king and her princes are among the nations;The law is no more.Also, her prophets findNo vision from the Lord.

The kings of the earth did not believe,Nor did any of the inhabitants of the world,That the adversary and the enemyCould enter the gates of Jerusalem.