This is the room Bahá'u'lláh was said to be born in,
appropriately between dawn and sunrise, November 12, 1817. It was the main
parlor of the house of His father in Tihran. Panes in the upper window are
colored red, blue, yellow and green.
(source: 'Land of Resplendent Glory', by
the International Baha'i Audio-Visual Centre, 1971)
