There are many videos online that feature cities or parts of them, for travel guide purposes or as documentaries.Here are three examples from global cities, Toronto, London and Tokyo. They are chosen to be diverse enough so that you can see the differences in geophysical characteristics, climate, buildings, land use, urban design, transportation network, and social interactions. Watch these videos while paying attention to the infrastructure and the built environment in each of the cities. Make sure to watch all three videos by clicking through the tabs.