यह सामग्री क्रियेटिव कॉमन्स ऍट्रीब्यूशन/शेयर-अलाइक लाइसेंस के तहत उपलब्ध है;Agra Fort has a lot of secret subterranean apartments and edifices. It is said that the complete fort is interconnected by way of tunnels together