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Get the image marked "Courtyard of the Doge's palace, Venice, Italy" - choose the HDR version - doge2.hdr (22 MB). Save that to your local drive and pay attention to where you saved it. You'll need to find it again.
Open that scene in Poser Pro 2012. If you don't have PP2012, the closest thing you have.
Poser will probably not find the doge2.hdr file and ask for you help in loading it. Help it find the file.
Render. You should get this or close to it if you don't have PP2012.