You would have to go one time around the building:
If you go out, down the stair on the left, down at the street go left again, now go around the cafeteria.

I’ll be there, too. What time? The picnic tables seem to be quite a nice place actually

I have fixed most of it (at least I can use it this way for daily usage) with a little bit of css; see https://www.mediawiki.org/wiki/Skin_talk:Timeless#Issues_with_very_small_screens