(CNN)At least 35 tons of dead fish appeared in a lake in southern China, leaving residents stunned.
The piles of fish washed up in a lake in Hainan province on Wednesday, Chinese state media reported.
Residents expressed concerns on pollution, but local authorities said the fish died as a result of salinity change.
Photos: Chinese photography gets greater recognition
Photos: Chinese photography gets greater recognition
Liu Chengliang was shortlisted for a series titled "Bulguksa."
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Photos: Chinese photography gets greater recognition
Maoyuan Cui was shortlisted for the 2016 Sony World Photography Awards for his landscapes in Hebei province.
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Photos: Chinese photography gets greater recognition
Fan Li has been shortlisted twice in this year's contest and is a previous winner at the Sony World Photography Awards. This image is part of a series documenting the life of Tajiks, an ethnic minority living in Xinjiang province in China's far west.
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Photos: Chinese photography gets greater recognition
Zhe Zhu traced the origins of the Yangtze River in his project entitled "Wind and Water," which has been shortlisted in the "Environment" category.
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Photos: Chinese photography gets greater recognition
Yong An He focuses on wildlife and the illegal capturing of migratory birds for profit in China. He was shortlisted in the "Contemporary Issues" category.
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Photos: Chinese photography gets greater recognition
Hui Zhang photographed Tang dynasty tombs and was nominated in the "Architecture" category.
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Photos: Chinese photography gets greater recognition
The breeding of macaque monkeys for animal testing is exposed and explored by Li Feng, who was shortlisted in the "Environment" category.
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