3 Nephi 8:20
1830 Edition
And it came to pass that there was thick darkness upon the face of all the land, insomuch that the inhabitants thereof which had not fallen, could feel the vapour of darkness;
Changes
And it came to pass that there was thick darkness upon all the face of all the land, insomuch that the inhabitants thereof whicho had not fallen, could feel the vapour of darkness;
Simple English
Thick darkness covered the whole land. The people who were still alive could feel the darkness around them.
Paraphrase
Thick darkness blanketed everything. The survivors could feel the vapor of darkness pressing against them.