The new <a href="https://en.wikipedia.org/wiki/en:Sewage_treatment" class="extiw" title="w:en:Sewage treatment">sewage treatment</a> system in town <a href="https://en.wikipedia.org/wiki/en:Cardaillac" class="extiw" title="w:en:Cardaillac">Cardaillac</a> in <a href="https://en.wikipedia.org/wiki/en:Lot_(department)" class="extiw" title="w:en:Lot (department)">Lot department</a>, <a href="https://en.wikipedia.org/wiki/en:France" class="extiw" title="w:en:France">France</a>. A new process is implemented including filter using reeds to filter wastewater on two successive stages.
<a href="//commons.wikimedia.org/wiki/User:Thierry46" title="User:Thierry46">Thierry46</a>
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