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The glowing manhole cover / Public class

The glowing manhole cover

LED lights around the covers, by rainwater conductive light, in the case of loss or damage of covers to remind passers-by, a vehicle to avoid hazards.

University

Xihua University

Xihua University
Chengdu, China

Sisi Liu,
Xihua University

Shu Han ,
Xihua University

Shan Wu,
Xihua University

Zhinan Zhou,
Xihua University