If the tide is high and the ocean stormy, waves roll into the springs.

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Thick black waves roll up onto the beach in Beirut, splashing against sand that's been stained by a huge oil spill.

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When I awake, hillsides roll like waves outside the train.

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They were both able to scramble through a first-floor window to relative safety, where they watched as more giant waves continued to roll in for the next 90 minutes.

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