I prefer to say that it is a work of art rather than a wallpaper. The past road is hard, the road ahead is still rugged, but the sky in the distance is fantastic, at least the boy see and believe so. It's just like my scientific road. Hoping I'm always a boy on my way and in my life.

Thank Hangmoon, Paulskii and you for your work. It's an artwork that moved me.
From a doctoral student who is struggling..

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Absolutely love it! :)