As long as the green hills remain, there will always be firewood — where there's life, there's hope.
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culture
青山 appears in the famous proverb 留得青山在,不怕没柴烧 (keep the green hills and you'll never lack for firewood), meaning as long as you survive, you can rebuild. 青山绿水 (green hills and clear waters) is a classic idiom for beautiful natural scenery.