Joshua 6:20
So the people shouted, and the priests blew the trumpets; and it came to pass, when the people heard the sound of the trumpet, that the people shouted with a great shout, and the wall fell down flat, so that the people went up into the city, every man straight before him, and they took the city.
Hebrews 11:30
By faith the walls of Jericho fell down, after they had been compassed about for seven days.
Joshua 6:5
And it shall be, that, when they make a long blast with the ram's horn, and when ye hear the sound of the trumpet, all the people shall shout with a great shout; and the wall of the city shall fall down flat, and the people shall go up every man straight before him.
2 Corinthians 10:4-5
(for the weapons of our warfare are not of the flesh, but mighty before God to the casting down of strongholds),