red and white wind mill under blue sky during daytime
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Published on NIKON CORPORATION, NIKON D3500
Free to use under the Unsplash License

"Roto-Sphere signs are perhaps the biggest and most dramatic neon signs ever mass-produced. They were created and produced by Warren Milks from 1960-1971. Milks made approximately 234 of them at his sign shop in Bossier City, LA. Only about 20 Roto-Spheres are left." —RoadsideArchitecture.com