A nurse measures blood pressure for a man during a free medical consultation in Shanghai on March 3, 2018. Late Chairman Mao Zedong wrote "Learn from Comrade Lei Feng" on March 5, 1963, and March 5 has since been designated as a special day to learn from Lei.

A doctor examines a woman during a free medical consultation organized in Shanghai on March 3, 2018. Late Chairman Mao Zedong wrote "Learn from Comrade Lei Feng" on March 5, 1963, and March 5 has since been designated as a special day to learn from Lei.

A doctor examines a woman during a free medical consultation organized in Shanghai on March 3, 2018. Late Chairman Mao Zedong wrote "Learn from Comrade Lei Feng" on March 5, 1963, and March 5 has since been designated as a special day to learn from Lei.

Doctors look at scan results during a free medical consultation in Shanghai on March 3, 2018. Late Chairman Mao Zedong wrote "Learn from Comrade Lei Feng" on March 5, 1963, and March 5 has since been designated as a special day to learn from Lei.

A doctor talks with a woman during a free medical consultation in Shanghai on March 3, 2018. Late Chairman Mao Zedong wrote "Learn from Comrade Lei Feng" on March 5, 1963, and March 5 has since been designated as a special day to learn from Lei.