CERN
Bat 2465
Refroidisseur

via StreetComplete 41.2

storage area, asphalt

via StreetComplete 35.0

Attached photo(s):
https://westnordost.de/p/66184.jpg
https://westnordost.de/p/66185.jpg
https://westnordost.de/p/66186.jpg
https://westnordost.de/p/66187.jpg

cooling

via StreetComplete 35.0

Attached photo(s):
https://westnordost.de/p/64488.jpg

old transformers, bigger than the service building

via StreetComplete 35.0

Attached photo(s):
https://westnordost.de/p/64492.jpg
https://westnordost.de/p/64493.jpg

What should this be?
As far as I know there is nothing.
Just the steel building with container style offices and the hall.

via StreetComplete 38.1

Unable to answer "How many levels above the basement does this building have?" for way/112330456 via StreetComplete 35.0:

it is a big industrial style building witha nice drawing of the Magnet used for ALICE

Attached photo(s):
https://westnordost.de/p/66170.jpg

toilet and shower booth

via StreetComplete 35.0

Attached photo(s):
https://westnordost.de/p/66171.jpg
https://westnordost.de/p/66172.jpg
https://westnordost.de/p/66173.jpg
https://westnordost.de/p/66174.jpg
https://westnordost.de/p/66175.jpg

names of shops

via StreetComplete 35.0

Attached photo(s):
https://westnordost.de/p/64542.jpg
https://westnordost.de/p/64543.jpg

Helipod

via StreetComplete 40.0

Inverses Satteldach

via StreetComplete 32.2

Attached photo(s):
https://westnordost.de/p/48770.jpg