Jack Ma pays tribute to ordinary heroes for Tmall Shopping Festival

Alibaba's chairman Jack Ma challenges Taobao and Tmall female model An Tiantian. Born after 1985, Tiantian is a female model for seniors. She can change 30 postures in 15 seconds, and can put on over 1,000 pieces of clothes in a day. The activity was part of the Tmall Shopping Festival of this year. [Photo: IC]