"In exterior view, the great dome dominates the structure, but the building's present external aspects are much changed from their original appearance. Huge buttresses were added to the Justinianic design, and four towering Turkish minarets...
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(After drawings by Van Nice and Antoniades); "In exterior view, the great dome dominates the structure, but the building's present external aspects are much changed from their original appearance. Huge buttresses were added to the Justinianic...
“The porch has sixteen Egyptian grey and red granite columns, each 40 Roman feet in height and weighing about 84 tons. […] The diameter and height of the rotunda are exactly the same, 43.2 metres [meters] (140 feet). […] The walls of the...
