frankfurter tor (northern tower), friedrichshain, berlin, 2020
frankfurter tor, friedrichshain, berlin 2016
unfortunately this was a lonely pigeon so it is not a very good illustration of the pigeonhole principle, but i think it’s a quite okay picture. and at least sometimes this has to suffice ;)
seen at frankfurter tor, friedrichshain. shot with the m.zuiko 45mm.