While world leaders are at the G20 in Bali - their negotiating teams are still in Egypt trying to thrash out a deal over climate change.

Whatever the outcome of those talks - some countries are still facing an existential threat - like the tiny Pacific Islands that make up the nation of Tuvalu. They want the world to recognise that they will be subsumed by the waves - but while their appeals have gone unheard, they've turned to finding their own solution.