Kaizhou Lake grand bridge under construction in SW China (1/7)

Workers install the main cables on the Kaizhou Lake grand bridge in southwest China's Guizhou Province, Jan. 5, 2021. The Kaizhou Lake grand bridge is part of the Weng'an-Kaiyang expressway. With a main span of 1,100 meters, the bridge is 1,257 meters in length and one of its main towers is 139 meters in height. (Xinhua/Liu Xu)

A worker installs the main cables on the Kaizhou Lake grand bridge in southwest China's Guizhou Province, Jan. 5, 2021. The Kaizhou Lake grand bridge is part of the Weng'an-Kaiyang expressway. With a main span of 1,100 meters, the bridge is 1,257 meters in length and one of its main towers is 139 meters in height. (Xinhua/Liu Xu)

Workers install the main cables on the Kaizhou Lake grand bridge in southwest China's Guizhou Province, Jan. 5, 2021. The Kaizhou Lake grand bridge is part of the Weng'an-Kaiyang expressway. With a main span of 1,100 meters, the bridge is 1,257 meters in length and one of its main towers is 139 meters in height. (Xinhua/Liu Xu)

Photo taken on Jan. 5, 2021 shows the Kaizhou Lake grand bridge under construction in southwest China's Guizhou Province. The Kaizhou Lake grand bridge is part of the Weng'an-Kaiyang expressway. With a main span of 1,100 meters, the bridge is 1,257 meters in length and one of its main towers is 139 meters in height. (Xinhua/Liu Xu)

Workers install the main cables on the Kaizhou Lake grand bridge in southwest China's Guizhou Province, Jan. 5, 2021. The Kaizhou Lake grand bridge is part of the Weng'an-Kaiyang expressway. With a main span of 1,100 meters, the bridge is 1,257 meters in length and one of its main towers is 139 meters in height. (Xinhua/Liu Xu)

Workers install the main cables on the Kaizhou Lake grand bridge in southwest China's Guizhou Province, Jan. 5, 2021. The Kaizhou Lake grand bridge is part of the Weng'an-Kaiyang expressway. With a main span of 1,100 meters, the bridge is 1,257 meters in length and one of its main towers is 139 meters in height. (Xinhua/Liu Xu)

Photo taken on Jan. 5, 2021 shows the Kaizhou Lake grand bridge under construction in southwest China's Guizhou Province. The Kaizhou Lake grand bridge is part of the Weng'an-Kaiyang expressway. With a main span of 1,100 meters, the bridge is 1,257 meters in length and one of its main towers is 139 meters in height. (Xinhua/Liu Xu)