Create a majestic and awe-inspiring AI artwork depicting the heavenly city of Jerusalem descending from God. The artwork should capture the city's radiant glory, with its brilliance likened to a precious jewel, clear as crystal. Showcase the twelve gates guarded by angels, each bearing the names of the twelve tribes of Israel, symbolizing unity and divine protection. Highlight the significance of the twelve foundations adorned with the names of the apostles, representing the spiritual strength and foundation of the city. Let your creativity soar as you portray this divine and sacred scene in a way that fills the viewer with wonder and reverence.