Shi Xianlin, 75, waits for a bus to visit his wife Liu Aishu, 72, at a hospital in Beijing, Feb. 13, 2017. Everyday, Shi takes a bus for 40 minutes to visit Liu, who suffers from Alzheimer's disease. Shi said the most important thing for him now is to spend time with his wife, talk to her, give her massages, and take walks together. The couple has been married for 50 years. (Photo: China News Service/Yang Kejia)
