Revelation 4 6
Stretching out in front of the throne was a sea of glass, as clear as crystal. In the center and all around the throne were four living creatures covered in eyes, both front and back.
Compare with other 3 random translations
YLT Revelation 4:6and before the throne is a sea of glass like to crystal, and in the midst of the throne, and round the throne, are four living creatures, full of eyes before and behind;
EAS Revelation 4:6Also in front of the throne there was something like a sea of glass that shone with light. In the middle, round the throne, there were four other beings that were alive. They had eyes all over them, on their fronts and on their backs.
AMP Revelation 4:6And in front of the throne there was also what looked like a transparent glassy sea, as if of crystal. And around the throne, in the center at each side of the throne, were four living creatures (beings) who were full of eyes in front and behind [with intelligence as to what is before and at the rear of them]. [Ezek. 1:5, 18.]