European Collection - The Celts (Keltoi) were a nomadic people of independent, feudal tribes. They had no written language and no common ruler. Celtic art is often characterized by intertwined tendrils, stylized animals, knots and wheels.These designs were often symbolic of their religious beliefs. The wheel symbolized the sun, and human faces were thought to ward off evil spirits. Animal motifs on war regalia were believed to bring good luck in battle.