The seismic disaster on tiny Tonga has shaken the world. Almost 85% of the island nation's population has been affected by last weekend's volcanic eruption and tsunami, the government said Monday. And a M4.8 earthquake struck waters off Tonga the same day. Tonga's road to reconstruction is hard and torturous. In this episode of BizBeat, CGTN's Zheng Junfeng explains how Tonga's disaster could have a "butterfly effect" on the world.
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