05
Polybahn renovation begins today
![Polybahn](/students/en/news/student-news/2021/05/polybahn-renovation-begins-today/_jcr_content/pageimages/imageSmall.imageformat.contentteaser.339223172.jpg)
The Polybahn is about to undergo a complete renovation and will therefore be closed from 30 May to 17 September 2021.
Zoom can now be used indefinitely
![Kamera](/students/en/news/student-news/2021/05/zoom-can-now-be-used-indefinitely/_jcr_content/pageimages/imageSmall.imageformat.contentteaser.1412260299.jpg)
The ETH community may now use the Zoom videoconferencing application indefinitely for their work. ETH Zurich has negotiated a solution that incorporates the Canton of Zurich’s data protection recommendations and expands the usage options for ETH students, researchers and staff.