▁Saint ▁Z eno , ▁Ver ona ▁( which ▁are ▁made ▁of ▁ham mer ed ▁and ▁not ▁cast ▁bronze ), ▁Rav ello , ▁T ran i ▁and ▁Mon re ale . ▁Bon anno ▁da ▁P isa ▁made ▁a ▁series ▁of ▁doors ▁for ▁the ▁du omo ▁of ▁that ▁city , ▁one ▁pair ▁of ▁which ▁remains . ▁The ▁ 1 4 th ▁century ▁witness ed ▁the ▁birth ▁of ▁a ▁great ▁rev ival ▁in ▁the ▁working ▁of ▁bronze , ▁which ▁was ▁dest ined ▁to ▁fl our ish ▁for ▁at ▁least ▁four ▁centuries . ▁Bron ze ▁was ▁a ▁metal ▁bel oved ▁of ▁the ▁Italian ▁craft s man ; ▁in ▁that ▁metal ▁he ▁produced ▁objects ▁for ▁every ▁conce iv able ▁purpose , ▁great ▁or ▁small , ▁from ▁a ▁door - kn ob ▁to ▁the ▁mighty ▁doors ▁by ▁Lorenzo ▁G hi ber ti ▁at ▁Florence , ▁of ▁which ▁Michel ang elo ▁remarked ▁that ▁they ▁would ▁stand ▁well ▁at ▁the ▁gates ▁of ▁Parad ise . ▁Nicola , ▁Giovanni ▁and ▁Andrea ▁P is ano , ▁G hi ber ti , ▁Brun ell esch i , ▁Don at ello , ▁Ver roc chio , ▁Cell ini , ▁Michel ang elo , ▁Giovanni ▁da ▁Bolog na ▁— ▁these ▁and ▁many ▁others ▁produced ▁great ▁works ▁in ▁bronze . ▁Bened etto ▁da ▁R ove zz ano ▁came ▁to ▁England ▁in ▁ 1 5 2 4 ▁to ▁execute ▁a ▁tomb ▁for ▁Card inal ▁W os ley , ▁part ▁of ▁which , ▁after ▁many ▁vic iss itudes , ▁is ▁now ▁in ▁the ▁crypt ▁of ▁St ▁Paul ' s