Masella designed a majestic church , much larger than the previous structure , with a three - aisled nave covered with barrel vaulting and lateral chapels .
Italian architect Antonio Masella was put in charge of the project , and the works began already in 1753 .
architect designed a majestic church , much larger than the previous structure , with a three - aisled nave covered with barrel vaulting and lateral chapels .
Italian architect Antonio Masella was put in charge of the project , and the works began already in 1753 .