Heaven is symbolized here by Jerusalem, the Holy City. The new earth and sky will be the most beautiful place we can imagine, a perfect world with no sin and none of sin’s effects.
BibleGateway: Revelation 21:9-27 ESV Text: Revelation 21:9-27 Revelation 21:9–27 (Listen) The New Jerusalem 9 Then came one of the seven angels who had the seven bowls full of the seven last plagues and spoke to me, saying, “Come, I will show you the Bride, the wife of the Lamb.” 10 And he carried me away in the Spirit to a great, high mountain, and showed me the holy city Jerusalem coming down out of heaven from God, 11 having the glory of God,…