Where's the room? The event page on x.org provides a map url [1], but no room number. [1]: https://www.google.fi/maps/place/Ratapihantie+13,+00520+Helsinki/@60.201863,24.9336759,17z/data=!4m5!3m4!1s0x469209921fdba137:0x841c90a2862185af!8m2!3d60.2013725!4d24.9340407