通过户外墙上的涂鸦人像，我们告诉拥有血肉之躯的人们，除非你跟不会受到新型冠状病毒感染的涂鸦人像一样，是颜料制成的。否则，尽量留在家里才是你不易受新型冠状病毒感染最安全的选择。 Comparing the uninfected graffio (which are not be infected by coronavirus) with vulnerable human (who are easily infected by coronavirus), to let people know that they should stay home for their safety and social distance, because they are made from flesh and bone with feelings, not paint.