ただのオブジェだよね
https://crunchbase-production-res.cloudinary.com/image/upload/c_limit,h_600,w_600/v1470233910/vbrbninf4qhyxacnvkwn.jpg
http://www.greentechchallenge.eu/single-post/2017/01/06/Green-City-Solutions-fights-air-pollution-with-IoT-biotech-and-moss
