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Five ways to spot a rip current at the beach
Want to know how to recognise a rip tide before getting into the water at the beach? Here are five telltale signs of one...
Business Insider7 年
Water reflections can tell us how choppy and calm waves are
That pattern is called a glitter path." "The width of the glitter path is telling us how rough the water is. Where its narrow the waters calm and where it gets wider the waters a bit rougher." ...