In the walled city of Siena we stand firmly planted in the Middle Ages. Siena preserved its original character more markedly than any other city in Italy.

McMurdo is distinctive not only for its scientific role but also for the unusual scale of daily life in Antarctica. The station has a power plant, medical facilities, dining services, workshops, communications systems, and specialized vehicles used to support research in extreme conditions. Nearby Scott Base, operated by New Zealand, provides another important Antarctic research presence on Ross Island. McMurdo also supports flights and overland journeys to remote parts of the continent.

Porto-Novo is the political capital of Benin, located in the country's southeast near the Porto-Novo Lagoon and not far from the Nigerian border. The city is known for its combination of Yoruba heritage, royal traditions, and Afro-Brazilian architecture. Historic neighbourhoods contain distinctive buildings with decorated facades, while markets, workshops, museums, and religious sites remain part of everyday urban life.

Derry stands on the banks of the River Foyle in Northern Ireland and is known for its intact seventeenth-century city walls, steep streets, and strong local identity.

Albany is the capital of the state of New York. Albany is noted for the Empire State Plaza, which houses government buildings and the New York State Museum.