Germany, Berlin, Mitte, Tiergarten, interior of the glass dome on the top of the Reichstag building designed by architect Norman Foster with the hot air vent on top of the mirrored cone that reflect light into the debating chamber of the Bundestag below.

germany german berlin capital city europe european urban travel tourism destination tiergarten interior glass dome reichstag building architecture architect norman foster double helix spiral ramp mirrors mirrored cone reflection light debating chamber bundestag parliament politics political people visitors sightseers sightseeing tourists reunification ventilation vent hot air mitte