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In everyday life,When we take the subway,Position was always someone else's account.The boundaries of the seat is not clear,Often six seats occupied by 5 individuals,
Staggered through the back of the design to limit and to draw attention not arbitrarily take someone else's seat
Southwest Jiaotong University
Chengdu, China
Southwest Jiaotong University
Chengdu, China
Gao Pengfei;
Ding Lei;
Liang Gangyi;
Li Juan
