Rescuers test the auditory sense of a sperm whale near a dock in Huizhou Harbor in Huizhou, south China's Guangdong Province, March 14, 2017. A sperm whale stranded near a dock in Huizhou on Tuesday. The rescue work is under way in difficulty since the whale seems weak. (Xinhua/Mao Siqian)
A diver sets an auditory sense testing apparatus on a sperm whale near a dock in Huizhou Harbor in Huizhou, south China's Guangdong Province, March 14, 2017. A sperm whale stranded near a dock in Huizhou on Tuesday. The rescue work is under way in difficulty since the whale seems weak. (Xinhua/Mao Siqian)
Rescuers watch the moving of a sperm whale near a dock in Huizhou Harbor in Huizhou, south China's Guangdong Province, March 14, 2017. A sperm whale stranded near a dock in Huizhou on Tuesday. The rescue work is under way in difficulty since the whale seems weak. (Xinhua/Mao Siqian)
A diver sets an auditory sense testing apparatus on a sperm whale near a dock in Huizhou Harbor in Huizhou, south China's Guangdong Province, March 14, 2017. A sperm whale stranded near a dock in Huizhou on Tuesday. The rescue work is under way in difficulty since the whale seems weak. (Xinhua/Mao Siqian)
A diver sets an auditory sense testing apparatus on a sperm whale near a dock in Huizhou Harbor in Huizhou, south China's Guangdong Province, March 14, 2017. A sperm whale stranded near a dock in Huizhou on Tuesday. The rescue work is under way in difficulty since the whale seems weak. (Xinhua/Mao Siqian)
A diver sets an auditory sense testing apparatus on a sperm whale near a dock in Huizhou Harbor in Huizhou, south China's Guangdong Province, March 14, 2017. A sperm whale stranded near a dock in Huizhou on Tuesday. The rescue work is under way in difficulty since the whale seems weak. (Xinhua/Mao Siqian)
Rescuers watch the moving of a sperm whale near a dock in Huizhou Harbor in Huizhou, south China's Guangdong Province, March 14, 2017. A sperm whale stranded near a dock in Huizhou on Tuesday. The rescue work is under way in difficulty since the whale seems weak. (Xinhua/Mao Siqian)
People watch a sperm whale near a dock in Huizhou Harbor in Huizhou, south China's Guangdong Province, March 14, 2017. A sperm whale stranded near a dock in Huizhou on Tuesday. The rescue work is under way in difficulty since the whale seems weak. (Xinhua/Mao Siqian)
A rescue boat is seen beside a sperm whale near a dock in Huizhou Harbor in Huizhou, south China's Guangdong Province, March 14, 2017. A sperm whale stranded near a dock in Huizhou on Tuesday. The rescue work is under way in difficulty since the whale seems weak. (Xinhua/Mao Siqian)
A rescue boat is seen beside a sperm whale near a dock in Huizhou Harbor in Huizhou, south China's Guangdong Province, March 14, 2017. A sperm whale stranded near a dock in Huizhou on Tuesday. The rescue work is under way in difficulty since the whale seems weak. (Xinhua/Mao Siqian)
