##### The colour intensity increases with dominant elements of ultramarine, emerald green and violet. His work is intense, unplanned and spontaneous. He seldom uses easels. Instead, he supports the cloth against something or laid it directly on the ground. Often he produced several pictures in a single boat trip. He stretched ropes across the ruff to hang them to dry, and several of them were sprinkled with salt on the way home in severe weather. He did not hesitate when he made his paintings, and he never changed his paintings afterwards.