Workers are busy at Harbin Boiler Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, April 14, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Xinhua/Wang Jianwei)
A worker works at Harbin Boiler Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, March 23, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Xinhua/Zhang Tao)
A worker works at Harbin Turbine Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, April 28, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Photo by Liu Xiangdong/Xinhua)
A worker works at Harbin Boiler Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, April 14, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Xinhua/Wang Jianwei)
Workers are busy at Harbin Boiler Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, April 14, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Xinhua/Wang Jianwei)
A worker works at Harbin Boiler Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, April 14, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Xinhua/Wang Jianwei)
Workers are busy at Harbin Boiler Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, April 14, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Xinhua/Wang Jianwei)
A worker works Harbin Boiler Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, March 23, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Xinhua/Zhang Tao)
A worker works at Harbin Boiler Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, April 14, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Xinhua/Wang Jianwei)
A worker works at Harbin Boiler Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, April 14, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Xinhua/Wang Jianwei)
A worker works a China First Heavy Industries (CFHI) in Qiqihar, northeast China's Heilongjiang Province, April 8, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Photo by Chen Jianjun/Xinhua)
Workers are busy at China Railway Rolling Stock Corporation (CRRC) Qiqihar Rolling Stock Co., Ltd in Qiqihar, northeast China's Heilongjiang Province, April 8, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Photo by Song Yanjun/Xinhua)
A worker works at Harbin Boiler Company Ltd. of Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, March 28, 2022. International Workers' Day, also known as May Day, is observed on May 1 in China. The group of photos uses the light and shadow in photography to outline the labor scene of the industrial workers in China's Heilongjiang Province. (Xinhua/Xie Jianfei)
