In 2006, the 'seaweed tune' was included in China's national intangible cultural heritage list - and this year it was played to crowds at the #Cop15 biodiversity summit | The Yilong Lake region is rich in seaweed | the ancestors of the Yi people sang it while fishing and picking seaweed. | from the Yi people, who live around the Yilong Lake in southwest China's Yunnan province. | What's the 'seaweed tune'? | Haicai Qiang or 'seaweed tune' is an Indigenous folk tune