Holger Perner, a German botanist, decided to take a nap after his three-day round-the-clock fieldwork in Zoige county of Ngawa Tibetan and Qiang Autonomous Prefecture in Sichuan Province. He did not wake up, dying peacefully in his sleep aged 57.
Holger Perner, a German botanist, decided to take a nap after his three-day round-the-clock fieldwork in Zoige county of Ngawa Tibetan and Qiang Autonomous Prefecture in Sichuan Province. He did not wake up, dying peacefully in his sleep aged 57.
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