abstract adventist angelic angels christian christmas creation flying Gabriel graphic hark the herald angels heralds host messengers mormon proclaim proclaiming Revelation 14 sepia seventh-day adventist symbolic three angels three angels' message trumpets worship xmas grayscale greyscale scrapbooking background blue concept design fill image New original render style texture unique vector childrens illustration red yellow green pink purple rainbow apartments block flats Los Angeles palms street three 3 accordion angle bugle concertina horn music Nyberg playing prayer praying religion religious trumpet black illustration message gray grey white