All these cities were fenced with high walls, gates, and bars; beside unwalled towns a great many.
Deuteronomy 1:28
Where can we go? Our brothers have discouraged us, saying: The people are larger and taller than we are; the cities are large, fortified to the heavens. We also saw the descendants of the Anakim there.'
Numbers 13:28
However, the people living in the land are strong, and the cities are large and fortified. We also saw the descendants of Anak there.
Hebrews 11:30
By faith the walls of Jericho fell down after being encircled for seven days.