There was a big wall in southeast Brazil. They built the wall to stop water. But some days ago, the wall broke. The water from behind the wall all went out. It killed about 15 people and more than 45 people are still missing.
People said a big mining company(煤矿公司) built the wall. There were a lot of dirty things when workers worked in the mining company. So they built the wall to keep water and clean the dirty things. When it broke, the water went over two villages. About 600 people had to leave their homes. People still don’t know why the wall broke.
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