A volunteer helps senior residents use smart phones at a community in Weiyang District, Xi'an City, northwest China's Shaanxi Province, March 5, 2021. Volunteers across the country carried out a variety of activities on "Lei Feng Day", which falls on March 5 every year, as a way to help others in remembrance of the soldier renowned for his generosity and altruistic deeds. (Xinhua/Zhang Bowen)