Last year, a touching photo of an elderly COVID-19 patient made the rounds online, as he was captured watching the sunset beside his doctor. Chinese netizens called it the warmest scene they had ever seen during the outbreak. CGTN caught up with the doctor from that memorable picture - a year after the end of Wuhan's lockdown. Doctor Liu Kai traveled from Shanghai's Zhongshan Hospital to Wuhan to join the battle against COVID-19.
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