nedjmeddin kubra najm ad-din al-kubra left and piryarvali mausoleum in the ancient konye-urgench, turkmenista

abandoned addin alkubra ancient archeology architecture asia building central complex culture desert dome dynasty heritage historic historical history islamic karakum konyeurgench kubra landmark mausoleum medieval monument muslim najm nedjmeddin old piryarvali religion route ruins silk site tamerlane timur tomb tourism turkmenistan unesco urgench world