Russian physicist Valentin Danilov. Photo: AFPRussian physicist Valentin Danilov. Photo: AFP
Russian physicist Valentin Danilov. Photo: AFP

Russia frees physicist convicted of spying for China

Russian physicist Valentin Danilov. Photo: AFPRussian physicist Valentin Danilov. Photo: AFP
Russian physicist Valentin Danilov. Photo: AFP
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