The abandoned islands of Tonga | 7.30 

January 15 marks two years since a volcanic explosion turned the skies above Tonga black and triggered a destructive tsunami. The power of the eruption stunned scientists across the world and as a result, some of Tonga's residents are still living in tents while some islands might be abandoned forever.
The ABC's Tonga reporter Marian Kupu has the story.
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