beautiful architetural display on the column of diwan-i-am of agra fort

11th ages agra akbar ancient arch architectural architecture asia audiences brick building carved carving castle century column courtiers culture delhi design destination details diwaniam diwanikhas dome door empire famous fine fort fortress gallery gate guests hall heritage hinduism historic history india indian intricate islam landmark mahal marble masterpiece middle monument mughal muslim old palace pillar pradesh private red sandstone sanstone shah state stone structure style tourism tourist tower town travel unesco uttar wall work world