Palestinian girl Marwa Saleh paints on a stone at her house in the West Bank city of Salfit, July 30, 2019. Saleh, 16, picks flat and smooth stones suitable for drawing from a river close to her house. She hopes to have an exhibition to display her artistic works of stone painting to bring some income. (Photo by Nidal Eshtayeh/Xinhua)

Palestinian girl Marwa Saleh paints on a stone at her house in the West Bank city of Salfit, July 30, 2019. Saleh, 16, picks flat and smooth stones suitable for drawing from a river close to her house. She hopes to have an exhibition to display her artistic works of stone painting to bring some income. (Photo by Nidal Eshtayeh/Xinhua)

Palestinian girl Marwa Saleh displays a stone painting at her house in the West Bank city of Salfit, July 30, 2019. Saleh, 16, picks flat and smooth stones suitable for drawing from a river close to her house. She hopes to have an exhibition to display her artistic works of stone painting to bring some income. (Photo by Nidal Eshtayeh/Xinhua)

Palestinian girl Marwa Saleh displays a stone painting at her house in the West Bank city of Salfit, July 30, 2019. Saleh, 16, picks flat and smooth stones suitable for drawing from a river close to her house. She hopes to have an exhibition to display her artistic works of stone painting to bring some income. (Photo by Nidal Eshtayeh/Xinhua)