▁and ▁although ▁the ▁fl ute ▁still ▁accompan ies ▁the ▁performance ▁to ▁this ▁day , ▁the ▁dance ▁became ▁a ▁separate ▁spect acle ▁by ▁the ▁ 1 9 th ▁century . ▁ ▁The ▁modern ▁Catal an ▁cast ell ▁is ▁similar ▁to ▁its ▁original ▁design : ▁the ▁pin ya ▁is ▁a ▁large ▁ring ▁at ▁the ▁bottom ▁of ▁the ▁structure ▁that ▁supports ▁the ▁human ▁weight , ▁and ▁each ▁level ▁consists ▁of ▁a ▁specific ▁number ▁of ▁people . ▁The ▁tr onc , ▁meaning ▁" tr unk " ▁in ▁Catal an , ▁is ▁composed ▁of ▁several ▁levels , ▁and ▁only ▁children ▁are ▁permitted ▁to ▁make ▁up ▁the ▁top ▁level ▁due ▁to ▁their ▁l ighter ▁weight . ▁The ▁" an x eta ", ▁the ▁smallest ▁child ▁who ▁holds ▁the ▁position ▁at ▁the ▁top ▁of ▁the ▁tower , ▁is ▁the ▁last ▁to ▁clim b ▁the ▁structure , ▁and ▁only ▁remains ▁there ▁for ▁several ▁seconds , ▁sal uting ▁the ▁crowd ▁below . ▁Most ▁often , ▁around ▁nine ▁people ▁form ▁a ▁single ▁cast ell ▁made ▁up ▁of ▁up ▁to ▁seven ▁or ▁eight ▁rows , ▁and ▁each ▁structure ▁has ▁its ▁own ▁name . ▁ ▁At ▁night ▁bo oth s ▁sell ▁alco hol ic ▁be ver ages ▁and ▁an ▁abund ance ▁of ▁live ▁musical ▁acts ▁of ▁many ▁gen res ▁are ▁present . ▁ 1 . 5 ▁million ▁people ▁are ▁rum ored ▁to ▁attend ▁each ▁August ▁over ▁the ▁week , ▁although ▁this ▁figure ▁is ▁not ▁verified . ▁ ▁Land marks ▁To ▁the ▁northern ▁( mount ain ) ▁end ▁of ▁Gr à cia ▁on ▁El ▁Car mel