A fire made the lighthouse glow at night and a mirror reflected sun rays during the day, some say up to 35 miles away.
它晚上用火光点亮灯塔，白天则用一面镜子反射日光，据说它可照到35英里的远处。
A fire made the lighthouse glow at night and a mirror reflected sun rays during the day, some say up to 35 miles away.
它晚上用火光点亮灯塔，白天则用一面镜子反射日光，据说它可照到35英里的远处。
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