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- The most popular fast-food chains looked very different decades ago.
- McDonald's restaurants look drastically different now from how they did in the 1950s.
- Vintage photos show how other chains like Taco Bell, Chick-fil-A, and In-N-Out have evolved.
Many popular fast-food chains have been around for decades.
However, the menus, restaurant designs, and employee uniforms have changed a lot over the years.