“Why are they all naked?” is a story about how depictions of the naked body have traveled through art—from the earliest eras to our days. The author shows how ideas about nudity changed: from the sacred meaning of Paleolithic “Venuses” through medieval strictness and rejection of physicality—to the Renaissance cult of the human figure, and then to contemporary art, where the body often becomes a tool of gesture and provocation. By analyzing landmark monuments—sculptures, frescoes, paintings, and reliefs—this book explains why nudity in different times was perceived either as a sign of fertility, as an expression of sin, or as an image of perfect harmony. You’ll see how artistic norms were influenced by climate, religious beliefs, social rules, and philosophical views, and why even Biblical storylines often received a distinctly sensual portrayal. In the end, every historical era offers its own answer to the question of why art heroes so often turn out to be naked. The book is for everyone interested in cultural history, art, and anthropology.