Looking up in Vatican City museum, the staircase turned into spiral vortex. One of the most beautiful staircase I’ve ever seen.

Spiral staircase

About One Photo a Day: As we publish one fresh photo to a handful of social media platforms daily for promotion, we keep it in the blog section at The photo is chosen from Songquan Deng’s latest travel project. Please feel free to share with your friends. Comments are welcome!

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