Clouds of color in a field of ivory flow upward from left to right. Caressed by turquoise, this richly-textured canvas is the work of David Fernando Duke. He combines oils and acrylic in a abstract painting of intriguing beauty. Oxygen is one of the elements crucial to life, the Salvadoran artist says. In the title, 79 relates to the number of paintings he has created within a certain time frame. Titled Oxígeno 79 in Spanish.