Simplify the following text for a Grade 11 native English-speaking person.
Original: The source of this color is a color sample taken directly from the Persian blue tiles shown in the photograph displayed in the Wikipedia article on the Shah Mosque of the interior tile work of its dome .
Simplified: The source of this color is a color sample taken directly from a photograph of the Persian blue tiles on the interior tile work of the dome of the Shah Mosque in Isfahan , Iran .