▁stones ▁were ▁rough - cut ▁to ▁the ▁approximate ▁shape ▁in ▁the ▁quar ries ▁using ▁river ▁c ob bles . ▁They ▁were ▁drag ged ▁by ▁ro pe ▁to ▁the ▁construction ▁site , ▁a ▁fe at ▁that ▁at ▁times ▁required ▁hundreds ▁of ▁men . ▁ ▁The ▁ro pes ▁were ▁so ▁impress ive ▁that ▁they ▁war r anted ▁mention ▁by ▁Diego ▁de ▁Tru j illo ▁( 1 9 4 8 : 6 3 ▁[ 1 5 7 1 ]) ▁as ▁he ▁ins pected ▁a ▁room ▁filled ▁with ▁building ▁materials . ▁The ▁stones ▁were ▁sh aped ▁into ▁their ▁final ▁form ▁at ▁the ▁building ▁site ▁and ▁then ▁laid ▁in ▁place . ▁The ▁work , ▁while ▁super vised ▁by ▁In ca ▁architect s , ▁was ▁largely ▁carried ▁out ▁by ▁groups ▁of ▁individuals ▁ful fill ing ▁their ▁labor ▁oblig ations ▁to ▁the ▁state . ▁In ▁this ▁system ▁of ▁mit a ▁or ▁" turn " ▁labor , ▁each ▁village ▁or ▁eth nic ▁group ▁provided ▁a ▁certain ▁number ▁of ▁individuals ▁to ▁particip ate ▁in ▁such ▁public ▁works ▁projects . ▁ ▁Although ▁multiple ▁regions ▁might ▁provide ▁labor ▁for ▁a ▁single , ▁large - scale ▁state ▁project , ▁the ▁eth nic ▁composition ▁of ▁the ▁work - gang s ▁remained ▁int act , ▁as ▁different ▁groups ▁were ▁assigned ▁different ▁tasks . ▁Pedro ▁C ie za ▁de ▁León , ▁who ▁twice ▁visited ▁Sac say hu am án ▁in ▁the ▁late ▁ 1 5 4 0 s , ▁mentions ▁the ▁quar ry ing ▁and ▁moving ▁of ▁the ▁stones ▁to ▁the ▁site , ▁and ▁the ▁construction ▁of ▁foundation