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This is how the subway is „breathing” | Official website of the reconstruction project <br>of metro line M3
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The Community of Madrid implements a new smart management system for the ventilation of Metro facilities | Metro de Madrid
![This is how the subway is „breathing” | Official website of the reconstruction project <br>of metro line M3 This is how the subway is „breathing” | Official website of the reconstruction project <br>of metro line M3](https://m3felujitas.hu/sites/default/files/imce/F%C5%91szell%C5%91z%C5%9111.jpg)
This is how the subway is „breathing” | Official website of the reconstruction project <br>of metro line M3
![The effect of ventilation system with and without under-platform exhaust on the concentration of braking micro-particles inside the subway system - ScienceDirect The effect of ventilation system with and without under-platform exhaust on the concentration of braking micro-particles inside the subway system - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0886779822002784-gr12.jpg)
The effect of ventilation system with and without under-platform exhaust on the concentration of braking micro-particles inside the subway system - ScienceDirect
![MEANS TO IMPROVE METRO STATION ENVIRONMENT WHEN VENTILATION SHAFTS ARE IN CLOSE PROXIMITY TO PLATFORMS | Semantic Scholar MEANS TO IMPROVE METRO STATION ENVIRONMENT WHEN VENTILATION SHAFTS ARE IN CLOSE PROXIMITY TO PLATFORMS | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/004680b00d100f43f54486bbdea0eb69c82009e5/4-Figure2-1.png)
MEANS TO IMPROVE METRO STATION ENVIRONMENT WHEN VENTILATION SHAFTS ARE IN CLOSE PROXIMITY TO PLATFORMS | Semantic Scholar
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MEANS TO IMPROVE METRO STATION ENVIRONMENT WHEN VENTILATION SHAFTS ARE IN CLOSE PROXIMITY TO PLATFORMS | Semantic Scholar
![File:Ventilation shaft of Chkalovskaya metro station (Венткиоск станции Чкаловская) (6633501979).jpg - Wikimedia Commons File:Ventilation shaft of Chkalovskaya metro station (Венткиоск станции Чкаловская) (6633501979).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Ventilation_shaft_of_Chkalovskaya_metro_station_%28%D0%92%D0%B5%D0%BD%D1%82%D0%BA%D0%B8%D0%BE%D1%81%D0%BA_%D1%81%D1%82%D0%B0%D0%BD%D1%86%D0%B8%D0%B8_%D0%A7%D0%BA%D0%B0%D0%BB%D0%BE%D0%B2%D1%81%D0%BA%D0%B0%D1%8F%29_%286633501979%29.jpg/640px-Ventilation_shaft_of_Chkalovskaya_metro_station_%28%D0%92%D0%B5%D0%BD%D1%82%D0%BA%D0%B8%D0%BE%D1%81%D0%BA_%D1%81%D1%82%D0%B0%D0%BD%D1%86%D0%B8%D0%B8_%D0%A7%D0%BA%D0%B0%D0%BB%D0%BE%D0%B2%D1%81%D0%BA%D0%B0%D1%8F%29_%286633501979%29.jpg)