https://slinging.org/forum/YaBB.pl?num=1588317387/2
Slinging.org Forum - Trajan column rernactment
trajan columnslingingforum
https://moviescenemap.com/locations/trajan-s-column/
Movies filmed at Trajan's Column, Italy | Movie Scene Map
Trajan's Column, Italy is named as a filming location by 1 production, per Wikipedia, including Roman Holiday (1953). No Wikidata statement points here yet.
movie scenemoviesfilmedtrajancolumn