Of what are the twelve gates composed?

Answer

"And the twelve gates were twelve pearls: every several gate was of one pearl." Rev. 21: 21.

Is there salvation through any other?
Why was Christ's preaching so impressive?
What reason is given for making the new covenant?
What was the date of Constantine's famous Sunday law?
What directions were given by Constantine's Sunday law of March 7, 321?
What great gathering yet awaits God's people?
What has God promised His children when passing through trials and afflictions?

Questions & Answers are from the book Bible Readings for the Home Circle