▁the ▁property ▁of ▁the ▁Feder ative ▁Republic ▁of ▁Brazil ▁in ▁a ▁purchase ▁neg ot iation ▁led ▁by ▁Amb assador ▁Hugo ▁G outh ier ▁de ▁O live ira ▁G ond im . ▁ ▁The ▁roof ▁terra ce ▁is ▁open ▁to ▁the ▁public , ▁with ▁a ▁ren owned ▁restaurant ▁and ▁bar ▁that ▁show cases ▁the ▁Roman ▁sky line , ▁and ▁frequent ▁concert s , ▁often ▁featuring ▁Italian ▁opera . ▁▁ ▁History ▁In ▁ 1 6 4 4 , ▁Card inal ▁Gi amb att ista ▁Pam ph il j ▁of ▁the ▁powerful ▁Pam ph il j ▁family , ▁who ▁already ▁owned ▁a ▁palace ▁between ▁the ▁Pia zza ▁Nav ona ▁and ▁the ▁Via ▁Pas qu ino , ▁became ▁Pope ▁In noc ent ▁X . ▁With ▁this ▁election ▁came ▁the ▁desire ▁for ▁a ▁larger ▁more ▁magnific ent ▁building ▁to ▁reflect ▁his ▁family ' s ▁increased ▁prest ige . ▁Further ▁land ▁was ▁bought , ▁the ▁architect ▁Gi rol amo ▁Rain ald i ▁received ▁the ▁commission ▁and ▁construction ▁began ▁in ▁ 1 6 4 6 . ▁The ▁new ▁project ▁was ▁to ▁incorpor ate ▁some ▁existing ▁buildings , ▁including ▁the ▁former ▁palace ▁of ▁the ▁Pam ph il j ▁( wh ose ▁decor ation ▁by ▁Ag ost ino ▁T ass i ▁was ▁partially ▁preserved ) ▁and ▁the ▁Pal azzo ▁C ib o . ▁ ▁In ▁ 1 6 4 7 , ▁the ▁Bar o que ▁architect ▁Francesco ▁Bor rom ini ▁was ▁consult ed ▁about ▁the ▁design ▁and ▁he ▁made ▁a ▁series ▁of ▁new ▁propos als ▁for ▁the ▁palace . ▁However , ▁the