Joshua 6:20
And the people cried, and blew with horns: for when the people heard the sound of the horns, they shouted a great shout. And the walls fell down, and the people went up into the city, every man straight before him, and took the city.
Hebrews 11:30
By faith the walls of Jericho fell down after they were compassed about, seven days.
Joshua 6:5
And when there is a long blast blown with the ram's horn, as soon as ye hear the sound of the horn, let all the people shout a mighty shout. And then shall the walls of the city fall down, and the people shall ascend up, every man straight before him."
2 Corinthians 10:4-5
For the weapons of our war are not carnal things, but things mighty in God to cast down strongholds;