book; white; open; education; blue; document; documents; abstract; page; books; paper; background; object; blank; empty; pages; design; papers; bright; business; light; nobody; turning; bound; information; color; vivid; fresh; horizontal; composition; element; backdrop; space; sparse: Bilder zum Thema book; white; open; education; blue; document; documents; abstract; page; books; paper; background; object; blank; empty; pages; design; papers; bright; business; light; nobody; turning; bound; information; color; vivid; fresh; horizontal; composition; element; backdrop; space; sparse bei ClipDealer