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A lot of people in the developing countries live in apartments, which don`t have a garden. However, they like to keep plants too. The plants they keep are always small. This people are always the ones who love travel.The plant clock can water the plants automatically, which can free you from worrying your plants when you are in the middle of a trip.
Zhejiang University
Hangzhou, China
Zhejiang University
Hangzhou, China
Yuli cai
Zhejiang University
Hangzhou, China
Prof. Pengren
