air case ▁leading ▁to ▁the ▁National ▁Palace , ▁the ▁most ▁monument al ▁work ▁of ▁Ex pos ición . ▁ ▁One ▁of ▁the ▁most ▁important ▁monuments ▁was ▁the ▁monument al ▁Spain ▁F ount ain ▁Square , ▁designed ▁by ▁Jose p ▁Maria ▁Ju j ol , ▁with ▁orn ate ▁decor ation ▁sculpt ural ▁work ▁and ▁Mi quel ▁Miguel ▁Bl ay ▁and ▁L lu ci à ▁O sl é ▁brothers . ▁Class ically ▁inspired , ▁the ▁icon ographic ▁meaning ▁of ▁the ▁work ▁is ▁a ▁po etic ▁alleg ory ▁to ▁Spain : ▁on ▁a ▁p ond ▁tri angular ▁plants ▁an ▁ed ículo ▁stands ▁with ▁three ▁nich es ▁with ▁sculpt ures ▁symbol izing ▁the ▁rivers ▁flow ing ▁into ▁the ▁three ▁se as ▁that ▁surr ound ▁the ▁I ber ian ▁Pen ins ula , ▁E bro ▁( Med iter rane an ), ▁the ▁Gu adal qu iv ir ▁and ▁T ajo ▁( At l antic ) ▁and ▁some ▁figures ▁of ▁te en agers ▁for ▁the ▁rivers ▁of ▁the ▁Cant ab rian ▁Sea , ▁Bl ay ▁work ; ▁at ▁the ▁corners ▁of ▁the ▁p ond ▁three ▁groups ▁that ▁represent ▁the ▁f ruits ▁and ▁g ifts ▁of ▁the ▁waters ▁they ▁lie : ▁Ab und ance , ▁Public ▁Health ▁and ▁Fish eries ▁and ▁Navigation ▁O sl é ▁work ▁of ▁the ▁brothers ; ▁around ▁the ▁central ▁body ▁three ▁columns ▁are ▁placed ▁with ▁various ▁figures ▁and ▁em blem s ▁symbol izing ▁religion ▁( a ▁cross ▁with ▁Ram on ▁L l ull , ▁Saint ▁Ter esa ▁of ▁Av ila ▁and ▁Ign ati us ▁of ▁Lo