Complex sentence: The fort is built in a series of seven concentric fortification walls with various passages, a citadel, masjid, warehouses for grains and oil, water resevoirs and ancient temples.There are 18 temples in the upper fort and one huge temple in the lower fort.
Split into simpler sentences: The fort is built in a series of seven concentric fortification walls with various passages, a citadel, masjid, warehouses for grains and oil, water resevoirs and ancient temples. Within its enclosures, there are 18 temples in the upper fort and one huge temple in the lower fort.