Left: Wang Xin, an 87-year-old COVID-19 patient and his doctor, Liu Kai, watch the sunset on their way to take a CT scan on March 5, 2020 at Renmin Hospital of Wuhan University in Central China's Hubei province. The photograph was to later become "the most touching moment of 2020", offering hope to many at a time when the virus was raging in China. [Photo by Gan Junchao/For China Daily]

Right: Wang Xin and Liu Kai meet again to watch the sunset at Renmin Hospital of Wuhan University in Central China's Hubei province, on Sept 4, 2020. Wang recovered and was discharged from the hospital after two months of treatment in April. [Photo by Wang Tingyu/chinadaily.com.cn]

During the COVID-19 pandemic, Liu Kai, a doctor from Shanghai's medical aid team who was sent to Wuhan, Hubei province, helped an 87-year-old elderly patient, Wang Xin, appreciate the sunset on his way to a medical check. The moment impressed numerous netizens.

On Sept 4, the two embraced at Renmin Hospital of Wuhan University, Eastern Area. Wang expressed his thanks to the doctor for his life-saving efforts.