The image shows two individuals wearing high-visibility vests and helmets, standing near a river with a sign that reads "Nghiep Khong Dijon Nhat." The sign is placed on a barrier, possibly indicating a warning or cautionary message related to the river's conditions. The setting appears to be a riverbank, and the individuals might be involved in monitoring or managing the river's flow or water quality. The presence of the sign suggests that there could be some environmental or safety concern regarding the river.