'Flee to the Mountains' in the Bible

"then those in Judea must flee to the mountains!

"But when you see the abomination of desolation standing where it should not be" (let the one who reads understand), "then those in Judea must flee to the mountains!

Then those in Judea must flee to the mountains, and those {inside it} must depart, and those in the fields must not enter into it,