Keywords: Argelander-sali.JPG en Argelander hall the lecture hall of the Helsinki observatory The right door is a painted false door an other false door is hidden by the cabinet on the left fi Argelander-sali Helsingin observatorion luentosali Oikean puoleinen ovi on maalattu valeovi toinen valeovi on vasemmalla olevan kaapin takana own MKFI 2012-12-01 Interior of the Helsinki Observatory Lecture halls in Finland 2012 in Helsinki December 2012 in Finland Taken with Canon EOS 60D Taken with Canon EF-S 15-85mm F3 5-5 6 IS USM Files by User MKFI |