Stone bridge in the Verzasca valley in canton Ticino (UNHCR/Alexandre Zveiger)
For World Refugee Day on June 20, the United Nations High Commissioner for Refugees engaged Swiss light artist Gerry Hofstetter to bathe four well-known Swiss bridges in blue light.
The colour of peace is intended to highlight solidarity with refugees and displaced people, and act as a reminder that there are still 20 million people around the world fleeing violence and persecution.
Chapel Bridge in Lucerne (UNHCR/Geri Krischker)
The spiral viaduct of the Bernina railway line in canton Graubünden (UNHCR/Franco Greco)
The Gottéron bridge in Fribourg (UNHCR/François Vittoz)
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