4218   cave

Revelation 6:12-15

     7318   blood, symbol of guilt

Revelation 6:12-17

     4284   sun
     4812   darkness, God's judgment
     5955   strength, divine

Revelation 6:15-16

     4354   rock

Revelation 6:15-17

     1310   God, as judge
     2051   Christ, majesty of
     4045   chaos
     5367   kingdoms
     5490   refuge
     9220   day of the LORD