Ancient Green Building Tech Revived

Just like when building sandcastles, getting the moisture levels right is all-important for constructing houses from packed earth, UK researchers say.
Ancient Green Building Tech Revived
Rammed-earth construction is under investigation by scientists as an eco-friendly alternative to cement-based methods. Parts of Alhambra Palace in Granada, Spain (shown) and the Potala Palace in Lhasa are built from rammed earth. Jim Gordon/Wikimedia Commons under CCA-2.0 License
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<a><img src="https://www.theepochtimes.com/assets/uploads/2015/09/SciTech_ahlhambra_columns_wikimedia_Alhambra_-_Granada.jpg" alt="Rammed-earth construction is under investigation by scientists as an eco-friendly alternative to cement-based methods. Parts of Alhambra Palace in Granada, Spain (shown) and the Potala Palace in Lhasa are built from rammed earth. (Jim Gordon/Wikimedia Commons under CCA-2.0 License)" title="Rammed-earth construction is under investigation by scientists as an eco-friendly alternative to cement-based methods. Parts of Alhambra Palace in Granada, Spain (shown) and the Potala Palace in Lhasa are built from rammed earth. (Jim Gordon/Wikimedia Commons under CCA-2.0 License)" width="320" class="size-medium wp-image-1827536"/></a>
Rammed-earth construction is under investigation by scientists as an eco-friendly alternative to cement-based methods. Parts of Alhambra Palace in Granada, Spain (shown) and the Potala Palace in Lhasa are built from rammed earth. (Jim Gordon/Wikimedia Commons under CCA-2.0 License)