![People-Walking-on-Innovative-Floor-With-Bumps-Which-Removes-Fine-Dust-and-Viruses-From-Shoes-Installed-at-Seoul-Forest-Subway-Station,-South-Korea---close-up](https://videocdn.cdnpk.net/videos/4b276ad3-0071-425e-89ca-1db5cb9b5a8a/horizontal/thumbnails/small.jpg)
People Walking on Innovative Floor With Bumps Which Removes Fine Dust and Viruses From Shoes Installed at Seoul Forest Subway Station, South Korea - close-up
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