A massive collage of 125 000 drawings and messages from children around the world about climate change is rolled out on a shrinking Swiss glacier, smashing the world record for giant postcards.
The message is clear: "You can be a citizen or you can be a politician or you can be a president, you can act on your level, be it regional, be it international, you c an act to do something to preserve life on Earth," says Oceane Dayer, Founder of Swiss Youth for Climate.