The night sky over Snowflake, Ariz., glowed pink and purple due to ultra-violet lights from a nearby marijuana farm called Copperstate Farms, the Arizona Republic reported.

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The purple glow is visible for miles, the Navajo County Facebook post on Friday said.

"The purple glow is a result of UV lights from nearby medical marijuana farm Copperstate Farms and the snow clouds overhead," the post said.   

Last Thursday – and into Friday morning – the area received one to two inches of snow, the National Weather Service in Flagstaff reported.

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As of last April, Copperstate employed close to 200 people, the Republic reported.

The marijuana is grown in a large greenhouse that formerly grew tomatoes.