Why are everyone posting green codes on Moments today?

I want to hold (keep) my beloved little green horse (code) tightly.

On April 28, many attentive citizens noticed that there was a "green horse mythical beast" outside the south gate of the Heart of Yiwu. The green and white body was full of cuteness and it was holding a horse in its arms. with a "green trip code". After the joyful green horse appeared, it quickly attracted many citizens to check in and take photos. After taking a group photo, some netizens posted it in their circle of friends, "I want to hug (and keep) my beloved little green pony (code) tightly." The relevant person in charge of the Heart of Yiwu said that the epidemic requires the joint efforts of the entire people, and I hope that the cute green pony will become cute. Horses can bring positive behavioral guidance and psychological hints to citizens, forming a strong joint force in Yiwu's fight against the epidemic.