'Itself' in the Bible

Then the fourth angel sounded [his trumpet], and a third of the sun and a third of the moon and a third of the stars were struck, so that a third of them would be darkened and a third of the daylight would not shine, and the night in the same way [would not shine].

Then I saw another beast rising up out of the earth; he had two horns like a lamb and he spoke like a dragon.

The wall was built of jasper; and the city was pure gold, transparent like clear crystal.