Correct Option: D

Pisa Cathedral, Italy a medieval cathedral, entitled to Santa Maria Assunta (St. Mary of the Assumption). Construction began in 1063 by the architect Buscheto to celebrate breaking the Saracen fleet off Palermo in 1063. The work was carried over to the architect of the 12th century, Rainaldo. The dome was completed in the 14th century.
The Cathedral is Latin cross-shaped when it's viewed from above. 95m in lenght, 32m in width, it is called Pisan Romanesque masterpiece. Interior is divided into five naves by densely lined 68 cylinders. It's said that many of those cylinders were taken as booty from the ancient ruins of Palermo. The mosaics of the interior show a strong Byzantine influence, while the pointed arches point to Muslim influences.
Hagia Sophia is a great architectural beauty and an important monument both for Byzantine and for Ottoman Empires. Once a church, later a mosque, and now a museum at the Turkish Republic, Hagia Sophia has always been the precious of its time. The Hagia Sophia, whose name means "holy wisdom," is a domed monument originally built as a cathedral in Constantinople
Karnak is one of the premier sites in all of Egypt and one of the most visited. In fact, it is perhaps one of, if not the largest religious complex ever constructed anywhere in the world. This vast, ancient Egypt complex demonstrates the religious significance of the area in ancient times. Though this complex is very complicated, by far the largest system of temples is that of Amun, a local god of Thebes (modern Luxor) who rose to national importance during Egypt's New Kingdom.