The largest mosque and one of the most beautiful examples of Islamic architecture present in India, the Jama Masjid is located just opposite the Red Fort in Delhi. The mosque which means commanding view of the world was built during the reign of Emperor Shah Jahan between 1644 and 1658. It has a very spacious compound that can accommodate thousands of devotees at once. The main architectural attractions are the minarets and towers. The main tower has a 5- storey structure with projecting balconies on each level. The work of calligraphy is worth mentioning too. The main materials used were sandstone and marble.