details of agha bozorg mosque portal, kashan, iran

agha architecture ashura asia bozorg brickwork building city cityscape courtyard decoration dome east esfahan exterior flag historical hosseinieh hussainiya iran isfahan ispahan iwan kashan landmark madrasah madrassa mansion masjid mausoleum medieval middle minaret mourning muharram old ornament pattern persia portal sacred shia shrine sightseeing street tile tilework tourism tracery travel urban