Image credits

The photographs of the four cities on this site are from Wikimedia Commons, used under the licences below. All have been cropped.

• St. Moritz

  Photograph by Bphstm, via Wikimedia Commons, licensed under CC BY-SA 4.0.

• Zürich

  Photograph by Thomas Wolf, www.foto-tw.de, via Wikimedia Commons, licensed under CC BY-SA 3.0 DE.

• London (Chesterfield Hill, Mayfair)

  Photograph by Anthony O’Neil, via Wikimedia Commons, licensed under CC BY-SA 2.0.

• Bratislava (Old Town Hall)

  Photograph by Diego Delso, via Wikimedia Commons, licensed under CC BY-SA 4.0.