Lighthouse sweep on jungle river at night

A long, dark dugout canoe floats motionless on the black water of the Chao Phraya near Bang Rak. A sweeping beam of white light cuts across the scene, illuminating the rough, wet grain of the wood hull while leaving the rest of the vessel in deep shadow. The water surface ripples gently under the light, reflecting the stark white arc against the inky river. Above, the sky is a flawless, deep void with no visible clouds, indicating a perfectly clear cool season night. The edges of the canoe create a strong leading line that draws the gaze along the water's length. A faint reflection of the light beam shimmers on the rippling surface near the bow.