It is also said that Seleyman, in awe of his architect's achievement, handed the keys to Sinan at the inauguration ceremony and allowed him the privilege of opening it.
Supposedly, Sinan was the only architect who was ever granted this privilege.
mnli hypothesis: Supposedly, Sinan was the only architect who was ever granted this privilege. premise: It is also said that Seleyman, in awe of his architect's achievement, handed the keys to Sinan at the inauguration ceremony and allowed him the privilege of opening it.