Why in news?

• Bihar sends fresh proposal seeking UNESCO’s heritage tag for 2,500-yr-old ‘Cyclopean war.
• It is 40 km long wall of stone which encircled the ancient city of Rajgir to protect it from external enemies and invaders, built before 3rd century BC.
• The ancient city of Rajgir was the capital city of King Bimbisara and his son Ajatshatru who were contemporaries of the Buddha.
• It is called as the Cyclopean wall for its similarities with ancient Greek walls.
• UNESCO World Heritage Sites of Bihar- Nalanda University and Mahabodhi temple of Bodhygaya.