turquoise river with a thin layer of white sand on the bottom in the Unidad de Riego, Mexico, with a small white sailboat in the distance

turquoise river with a thin layer of white sand on the bottom in the Unidad de Riego, Mexico, with a small white sailboat in the distance. The river flows from the left of the frame to the right. There is a grassy bank to the left of the river and a few people can be seen swimming in the distance. There is a white wooden fence on the grassy bank. The sky is blue and clear. The image is taken from a low angle, looking down at the river. The river is calm and peaceful, with no visible movement.