He commissioned work on the old building from PERSON@1 and PERSON@2 and also got PERSON@3 to design a plan for an entirely new basilica , or an extreme modification of the old .

Pope PERSON@4 , -LRB- NUMBER@1 -- NUMBER@2 -RRB- , was worried about it and got two architects , PERSON@1 and PERSON@2 , to make plans to restore it or build a new one .
