Yin wants to see the idea taken a step further. She thinks the Beijing government should set up affordable tea stalls for the old people in the city, just as her father had helped the thirsty visitors to Tian'anmen. She feels that the aging population of the city can seek some comfort in that big bowl of tea.

It is a bowl of tea that best represents the common people, and their culture, she says.

Editor: Shi Liwei