TOPSHOT - An aerial view shows a massive collage of 125,000 drawings and messages from children around the world about climate change seen rolled out on the Aletsch Glacier at an altitude of 3,400 metres near the Jungfraujoch in the Swiss Alps smashing the world record for giant postcards, on November 16, 2018. - The mosaic of postcards, measuring 2,500 square metres (26,910 square feet), was laid out in the snow to "boost a global youth climate movement ahead of the next global climate conference (COP24) in Poland", next month, said the WAVE foundation, which organised the event in cooperation with Swiss authorities. (Photo by Fabrice COFFRINI / AFP)