Revelation 7:9-11

After these things I looked, and behold, a great multitude which no one could number, of all nations, tribes, peoples, and tongues, standing before the throne and before the Lamb, clothed with white robes, with palm branches in their hands, and crying out with a loud voice, saying, “Salvation belongs to our God who sits on the throne, and to the Lamb!” All the angels stood around the throne and the elders and the four living creatures, and fell on their faces before the throne and worshiped God