Adorned by ten angel sculptures by Bernini and his studio, it arrives at the Cetel Sant'Angelo, originally built as Hadrian's mausoleum in a.d. 139.
The angel sculptures have been removed. 
mnli hypothesis: The angel sculptures have been removed.  premise: Adorned by ten angel sculptures by Bernini and his studio, it arrives at the Cetel Sant'Angelo, originally built as Hadrian's mausoleum in a.d. 139.