<p>Note that it's considered dangerous to walk on the mud flats, which can act as quicksand. Many people have died over the years after getting caught in the flats when the tide comes up.
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/paxson_woelber/6356739681/">Mudflat walking at Kincaid Park, Alaska</a>