caption: The image shows a group of people standing in a river next to a stone wall. Some of them are wearing green jackets and some are wearing black jackets. One person is holding a stick in their hand, while another is holding an object in their other hand. In the water, there is a bucket filled with yellow objects, stones, and other objects. On the right side of the image, there are a few people standing on the wall, and in the background there are more people standing.