Plant life underwater, just south of the A429, near Kemble.Plant life underwater, just south of the A429, near Kemble.Plant life underwater, just south of the A429, near Kemble.Looking up from underwater through 'Snell's Window' River Thames near Kemble.Split level photograph of the River  Thames, just south of the A429, near Kemble.Split level photograph of the River  Thames, just south of the A429, near Kemble.Plant life underwater, just south of the A429, near Kemble.Plant life underwater, just south of the A429, near Kemble.Split level photograph of the River  Thames, just south of the A429, near Kemble.