text: A general view shows 100,000 postcards (bottom L) with messages against climate change, sent by young people from all over the world and stuck together to break the Guinness World Record of the biggest postcard, on the Jungfraufirn, the upper part of Europe's longest glacier, the Aletschgletscher, near Jungfraujoch, Switzerland November 16, 2018. REUTERS/Arnd Wiegmann