Complex sentence: One of the country's most recognizable landmarks, it is also considered one of the most exemplary pieces of Islamic architecture in the Balkans and was designed by Mimar Hayruddin, a student and apprentice of the famous architect Mimar Sinan.
Split into simpler sentences: One of the country's most recognizable landmarks, it is considered an exemplary piece of Balkan Islamic architecture. It was designed by Mimar Hayruddin, a student and apprentice of the famous architect Mimar Sinan.