YOSEMITE NATIONAL PARK (CBS SF) — Thousands of visitors flocked to Yosemite National Park for a Labor Day Weekend filled with clean mountain air, nature hikes and pristine views of the park’s grandeur.

But the fast-moving, massive Creek Fire miles away near Shaver Lake changed all that. A massive smoke plume draped itself over the park bringing with it unhealthy air and casting an eerie golden haze.

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Visitors took to social media, posting images and comments about the weather condition.

Naureen Malik posted: “Rained ashes all day. It looked like sunset on Mars for 7 hours.”

Violeta Yas posted “My friend and colleague Pablo has been at Yosemite for a week and taking incredible, but sobering pictures.”

Josh Nguyễn posted: “After 24 hours, I start to go crazy under this beautiful Martian sky.”