Forgotten heaven: Modern mankind had no remembrance of the heaven God made for Adan and Eve

Modern mankind have no remembrance of the heaven God made for Adan and Eve , 2 Peter 3: verse 5 for this they willfully forget: that by the word of God the heavens were of old, and the earth standing in the middle of water and out of water, verse 6 by which the world that then existed perished, being flooded with water.