The New Heaven and Earth

Rev 21:1-4

21 Then I saw a new heaven and a new earth; for the first heaven and the first earth passed away, and there is no longer any sea. 2 And I saw the holy city, new Jerusalem, coming down out of heaven from God, made ready as a bride adorned for her husband. 3 And I heard a loud voice from the throne, saying, “Behold, the tabernacle of God is among men, and He will dwell among them, and they shall be His people, and God Himself will be among them, 4 and He will wipe away every tear from their eyes; and there will no longer be any death; there will no longer be any mourning, or crying, or pain; the first things have passed away.”
NASU

Action: What will Heaven be like?