Digging holes, what morons.
7:4 is one things, 7:9 another:
"After this I beheld, and, lo, a great multitude, which no man could number, of all nations, and kindreds, and people, and tongues, stood before the throne, and before the Lamb, clothed with white robes, and palms in their hands; ..."
So there is one of those things we were talking about
Btw, it also says that in the end times the rich will try to hide their wealth - in caves
Pete