 Hellenistic architectural sculpture (323–31 BC) was to become more flamboyant, both in the rendering of expression and motion, which is often emphasised by flowing draperies, the Nike Samothrace which decorated a monument in the shape of a ship being a well-known example.The Pergamon Altar (c. 180–160 BC) has a frieze (120 metres long by 2.3 metres high) of figures in very high relief.The frieze represents the battle for supremacy of Gods and Titans, and employs many dramatic devices