Flogsta is a 1970s student housing area on the western edge of Uppsala — eight identical concrete towers ringed by lawns and birch trees. By day it is unremarkable. By night, on the dot of ten o'clock, it produces one of the strangest urban rituals in northern Europe: a collective scream that erupts from the open windows and rolls across the suburb for half a minute before falling silent.
The tradition is famous in Sweden and has been imitated by student dormitories from Lund to Linköping, but Flogsta is the original. There is nothing to see except the towers themselves, but if you are in Uppsala for more than a night, the scream is worth detouring for — best heard from the lawns between the buildings, on a still autumn evening.
Flogsta is about a 15-minute bus ride west of the city centre on lines 6 or 7.