When they look behind them, the land is on the distant horizon. Formerly, the difference between high and low tide off Taichung Harbor was 4.6 meters, making it one of the best potential sites for tidal power generation in Taiwan, which has few natural resources.
過去台中港外海，高、低潮水位相差達四．六公尺，是天然資源缺乏的台灣，發展「潮差發電」條件最佳之處。