The Daily Mail has an article posted with 18 photos from the set of John Wick 2 in Rome. They were filming at National Gallery of Modern Art in Valle Giulia.
Update: Star Sightings has posted two photos here and here.
Adn Kronos has posted a short piece on the filming.
Getty Images has posted ten thumbnails.
Update X2: Get First Look has posted 10 photos.
Update X3: ABC News has posted a photo here. Currently JW2 is the first photo but I expect that will change as they add additional photos.
Chiccentral has posted seven photos.
Update X4: ET Canada has posted a photo.
Splash News has posted a clip of Ruby Rose filming near the National Gallery of Modern Art today on youtube.
The Daily Mail has posted an article with photos of Ruby Rose on the JW2 set today.