Why is one of the Hagia Sophias minaret red?

The red minaret of Hagia Sophia, located in Istanbul, is actually a result of its restoration and maintenance over the years. The color reflects the use of red bricks in its construction, which distinguishes it from the other minarets that are typically made of lighter-colored stone. This unique feature adds to the architectural diversity of the complex, symbolizing the blending of different cultural influences in this historic landmark.