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Experts probe pits mystery

EXPERTS in Sichuan Province are investigating 26 huge pits that have appeared within seven days in a local village.

The first giant pit was found at the midnight of April 27, when a sudden shaking and deafening crash woke villagers, today's Chengdu Economic Daily reported.

The largest pit measured 40 meters in diameter the first day it appeared and its width reached 60 meters the next day.

The pits kept expanding over the past week, affecting an area of 0.6 square kilometers.

Nearly 112 families of 290 people living in the area have been forced to leave their home and move into temporary camps.

Giant pits, also known as "Tiankeng" are a geographical feature in the karst landform.

Experts said a collapse can be caused by various reasons such as serious drought and extensive drainage.

Some villagers said a coal mine 15 minutes drive from the hillside is to blame for its around-the-clock underground mine work.

The state-owned coal mine was flooded on April 25. No one was harmed in the accident.

"We will take the responsibility if the pits are caused by our work," said Bian Yajun, an official with the coal mine.



 

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