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Ten Arrows / public sign

Ten Arrows
Ten Arrows

The signal lamp can tell passengers the crowded degree of ten carriage around,making passengers able to adjust the crowded degree by themselves.
When disaster happens,the signal lamp can be used as emergency lamp to guide survivor to the way out.

University

Donghua University (China)

Donghua University (China)
Shanghai, China

Yizhou Gao,
Donghua University (China)