The algae (Ulva intestinalis) is edible and their appearance resembles a long stretch of cloudy fur. The growth is natural and will not harm the environment.

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 <img src="https://media.nationthailand.com/uploads/images/2019/12/26/9f67bbjaa9fagacsfj5agf.jpg?x-image-process=style/lg-webp" alt="Algae on steps draw netizens to Pranburi estuary " class="img-fluid w-100 showcaption-false" style="width: 600px; height: 800px;" width="600" height="800" loading="lazy" />
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The images have captured the curiosity of netizens and drawn many to the site and the page also warned the algae are slippery and visitors should take caution.

Algae on steps draw netizens to Pranburi estuary

A Facebook page ‘Pak Nam Pran Palang Mai’ (ปากน้ำปราณพลังใหม่) recently posted photos of green algae covering the steps of Pak Nam Pran or Pranburi estuary in Prachuap Khiri Khan province.