And Moses and Aaron went from the presence of the assembly unto the door of the tabernacle of the congregation, and they fell upon their faces: and the glory of the Lord appeared unto them. (Numbers 20:6)
The attitude of the people seems to have become threatening. Moses and Aaron repaired to the sanctuary for counsel and protection.
The glory of the Lord appeared.
This was no doubt visible to the entire congregation, and should have been both a warning to them and a rebuke to their lack of trust in God (see chs. 14:10; 16:19, 42).
Fell upon their faces.
To ask that their sin of rebellious complaint be forgiven, and that their physical wants be supplied.