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York , to see the lights and to give a high-profile invited talk at the opening of Rutgers University 's digital library project . We spent six months traveling around , mainly in Siena , Paris , New York , and Cape Town but with side trips to Sydney , Chicago , Toulouse , Belfast , Vienna , Prague , San Jose , and Tanzania . The way back from Portland was through Vancouver , where Ian again stayed with Nikki for a couple of days . From Siena by bus to Rome . Then we continued south past Cathedral Cove and Hot Water Beach . By coincidence our hosts in Siena had booked us into the same hotel that we stayed in a few years ago . Finally , we have a new young cat , Ari , who Nikki adopted on our behalf ( and while we were away ) following our beloved ( male ) Cleopatra 's demise just after Anna 's visit last Easter .