Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow Li Yitong took photos and recorded his workflow