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Geophysicists observe natural limestone cave in Indonesia

INDONESIA-ACEH-LIMESTONE CAVE-TSUNAMI-RESEARCH

Geophysicists observe a natural limestone cave located at Lhoong district in Aceh, Indonesia, on Sept. 13, 2017. Researchers analyzed sand deposits from a limestone cave near the provincial capital of Banda Aceh and used their findings to create a detailed chronology of the region's tsunamis. (Xinhua/Junaidi)

[ Editor: WPY ]