Biologist Measuring Marsh Reeds at Blue Hour

Cool blue evening light washes over a muddy research platform extending into a Johor Bahru marsh. A biologist stands knee-deep in dark water, wearing tall rubber waders that reflect the dim sky. Their hands hold a measuring tape against a cluster of tall, green reeds swaying slightly in the humid air. The water surface mirrors the fading sky, creating a seamless blend of blue and black. Mud coats the edges of the wooden planks, and scattered rain droplets rest on the reed leaves. The researcher's posture leans forward, focused on the tape measure against the plant stalks. A small metal marker stake stands upright in the mud nearby, its surface gleaming with moisture. The horizon line sits low, showing the vastness of the wetland against the deepening twilight.