A Palestinian worker piles up soap pieces at Albader Soap Factory in the West Bank city of Nablus, on April 15, 2017. Olive soap making is one of the oldest industries in Nablus city. The components from olive oil, water and natural sodium obtained from local groves make the soap rich of its unique smell, a sign of the quality and purity of its ingredients. (Xinhua/Nidal Eshtayeh)
