▁Pla za ▁and ▁Washington ▁Square ▁Park . ▁ ▁Since ▁the ▁late ▁ 1 9 7 0 s , ▁the ▁central ▁part ▁of ▁NY U ▁is ▁its ▁Washington ▁Square ▁campus ▁in ▁the ▁heart ▁of ▁Green wich ▁Village . ▁Despite ▁being ▁public ▁property , ▁and ▁expand ing ▁the ▁Fif th ▁Avenue ▁axis ▁into ▁Washington ▁Square ▁Park , ▁the ▁Washington ▁Square ▁Arch ▁is ▁the ▁uno fficial ▁symbol ▁of ▁NY U . ▁Until ▁ 2 0 0 8 , ▁NY U ' s ▁comm enc ement ▁ceremony ▁was ▁held ▁in ▁Washington ▁Square ▁Park . ▁However , ▁due ▁to ▁space ▁constraints , ▁cer emon ies ▁are ▁now ▁held ▁at ▁the ▁Yan kee ▁Stadium . ▁Import ant ▁facilities ▁at ▁Washington ▁Square ▁are ▁the ▁El mer ▁Hol mes ▁Bob st ▁Library , ▁designed ▁by ▁Philip ▁Johnson ▁and ▁Richard ▁F oster , ▁who ▁also ▁designed ▁several ▁other ▁structures , ▁such ▁as ▁T isch ▁Hall , ▁Meyer ▁Hall , ▁and ▁the ▁H ag op ▁Ke v ork ian ▁Center . ▁When ▁design ing ▁these ▁buildings ▁Johnson ▁and ▁F oster ▁also ▁set ▁up ▁a ▁master ▁plan ▁for ▁a ▁complete ▁red es ign ▁of ▁the ▁NY U ▁Washington ▁Square ▁campus . ▁However , ▁it ▁was ▁never ▁implemented . ▁Other ▁historic ▁buildings ▁include ▁the ▁Silver ▁Center ▁( former ly ▁known ▁as ▁" Main ▁building "); ▁the ▁Brown ▁Building ▁of ▁Science ; ▁Jud son ▁Hall , ▁which ▁houses ▁the ▁King ▁Juan ▁Carlos ▁I ▁of ▁Spain ▁Center ; ▁V ander b ilt ▁Hall , ▁the ▁historic ▁town house ▁row ▁on ▁Washington ▁Square ▁North ; ▁The ▁Grey ▁Art