The sleek lines of a 1970s car glide through the streets of the city, leaving behind a trail of dust and debris. The car's metallic body gleams in the bright neon lights of the future, and its engine roars with the sound of screeching brakes. Flying cars with sleek lines and vivid shades of neon signify the futuristic spirit of the 1930s. It's a sight to behold, a true testament to the power and beauty of the future.