Widely used in the 1920s and 1950s, neon lights flooded the streets of major cities, from New York's Time Square to London's Piccadilly Circus through the intricate streets of Tokyo. Neon signs flickering in vibrant pinks, yellows, greens, and blues.  

 

Now they appear as relics of a distant past that some do not want to forget. Neon lights in the southwestern United States still remain as a symbol of a flourishing era. 

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