Mt. Timpanogas Temple-the first time I went through this temple I was with my son. As we entered the celestial room it appeared the light was playing pinball off all the mirrors and crystal. We were both speechless and I've never seen anything like it since.
And I saw another angel fly in the midst of heaven, having the everlasting gospel to preach unto them that dwell on the earth, and to every nation, and kindred, and tongue, and people...Revelation 14:6