Plant power
![A visitor takes a look at plant-based air purifier Airim developed by Biocraft at the Korea International Cooling Industry Expo held in Daegu on Wednesday. The expo, which runs through July 23, is dedicated to displaying various products that can counter climate change and improve air quality. [YONHAP]](https://koreajoongangdaily.joins.com/data/photo/2021/07/21/bcd79709-57df-4f7f-8340-636715073053.jpg)
A visitor takes a look at plant-based air purifier Airim developed by Biocraft at the Korea International Cooling Industry Expo held in Daegu on Wednesday. The expo, which runs through July 23, is dedicated to displaying various products that can counter climate change and improve air quality. [YONHAP]
with the Korea JoongAng Daily
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