The Andaman and Nicobar chains comprise 572 islands.

安达曼和尼科巴岛链共包括572个岛屿。

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It first bulldozed coastal towns in Sumatra and, farther north, washed clean over several of the Nicobar Islands, leaving in places only a handful of survivors clinging to treetops.

海啸首先席捲了印尼苏门达腊沿海的城市，接著往北侵袭印度尼古巴群岛数个岛屿，肆虐之后只剩下一些紧攀著树梢的生还者。

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An annual service was held at the Indian archipelago of Andaman and Nicobar to honor victims of the tsunami.

CNN: Remembering the tsunami: 'We'll never really forget'

Fears are also growing for four international scientists and 16 staff stationed at Indira Point, south of Great Nicobar and about 140km from Indonesia.

BBC: NEWS | South Asia | Fears rise for Andaman thousands