Angels have appeared in works of art for millennia.
Angel-shaped beings appear in ancient Mesopotamian and Greek art and were probably the inspiration for the popular Christian image of angels.
Angels remained a popular subject for Byzantine and European paintings and sculpture.
... morality.
The novel intially appeared serially in the periodical Ruskii Vestnik ("Russian Messenger"), but Tolstoy clashed with the editor, Mikhail Katkov, over issues ...