1. "` The Gates'would be like a giant floating roof over the park," 2. "The floating roof made me think of Mies van der Rohe's Barcelona Pavilion ." 3. Some storage tanks need a floating roof in addition to or in lieu of the fixed roof and structure. 4. The simplicity of the straight-lined structure with the floating roof is also related to Mies van der Rohe's pavilions. 5. This concept was carried out with the realization of the " Free plan " and the " Floating roof ". 6. Floating roofs are considered a safety requirement as well as a pollution prevention measure for many industries including petroleum refining.7. Exterior elements include Nissan's V-motion grille,'boomerang'head lamps and tail lamps and a floating roof with a wrap-around visor look. 8. Storage tanks are often cylindrical in shape, perpendicular to the ground with flat bottoms, and a fixed flangible or floating roof . 9. This floating roof rises and falls with the liquid level inside the tank, thereby decreasing the vapor space above the liquid level. 10. The concept car features Nissan's V-motion grille, boomerang tail-lamps, floating roof design and glass roof with X crossing structure in the middle.