And the glory of the LORD rose up from within the city and stood over the mountain east of the city.
Here is, 1. The departure of God's presence from the city and temple. When the message was committed to the prophet, and he was fully apprized of it, fully instructed how to separate between the precious and the vile, then the cherubim lifted up their wings and the wheels beside them (Eze 11:22) as before, Eze 10:19.
Commenting on Ezekiel 11:22-25
And the glory of the Lord went up from the midst of the city,.... Of Jerusalem, whither it was removed from the door of the east gate of the temple, Eze 10:19; though no mention is made of such removal; and now, having left the temple, it leaves the city: and stood upon the mountain, which is on the east side of the city; either...
The Shekinah glory now moves from the east gate (Eze 10:4, Eze 10:19) to the Mount of Olives, altogether abandoning the temple. The mount was chosen as being the height whence the missiles of the foe were about to descend on the city.