These pictures became viral on Twitter as it shows an unusual appearance of the sky.

What's behind these pink clouds?

The color is not totally "pink", but a "pinkish red" or "purplish red". We can sometimes see it, specifically during sunrise/sunset.#Hagibis #TyphoonHagibis pic.twitter.com/wRssRZXMJy

— Matthew S. Cuyugan (@MatthewSCuyugan) October 11, 2019
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