water reservoir, Ark: Survival Evolved, storing water, irrigation, metal or stone structure, connected to pipes, filling during rain, manual filling, supplying crops, drinking source for dinosaurs, desert biome necessity, survival tool, in-game structure, efficient water management, close-up of water level indicator, soft natural light, clear sky, arid environment, survival game element, strategic placement, 3/4 view, detailed texture of metal or stone, realistic rendering.