Home video touches hearts worldwide

A 15-second video made by four generations of a family who live near Puyang, Henan province, has touched hearts around the world.

First, a 10-year-old girl runs into a room and shouts "Ma". Then her 33-year-old mother runs into the room and shouts "Ma". The 60-year-old grandmother then runs into the room and shouts "Ma". Finally, the 93-year-old great-grandmother comes into the room, laughing.

It has inspired similar videos and family photos from other four-generation families not only in China, but even in Denmark and Peru. Just in China, it has been viewed 70 million times and received 2.3 million likes and 120,000 messages.