Can I take a photo with you? I am documenting the journey.
do-cu-men-TAN-do — gerund, stress on fourth syllable. Viag-GIO — stress on second syllable.
Ask this of a friendly conductor, fellow passenger, or someone you have been chatting with when you want to capture the memory of your Italian train journey.
Posso fare una foto con lei (can I take a photo with you) — fare una foto (take a photo). Con lei (with you, formal). Sto documentando (I am documenting) — stare + gerund, progressive tense. Il viaggio (the journey).
Può farmi una foto sul treno?
Can you take a photo of me on the train?
Asking someone to photograph you rather than taking a selfie
Mi fa una foto davanti al Frecciarossa?
Will you take a photo of me in front of the Frecciarossa?
Platform photo at the station — very popular with first-time Frecciarossa passengers
Posso fotografare il paesaggio dal finestrino?
Can I photograph the landscape from the window?
Photography from train windows is always permitted
Italians are generally very willing to appear in tourist photos — they understand the excitement of first-time visitors and often go out of their way to help create the perfect travel memory.