Kamal al-Madhoun makes an art piece with seashells at his house in Nusseirat refugee camp in the central Gaza Strip, Aug. 28, 2019. Kamal al-Madhoun, a 43-year-old Palestinian man, began the hobby of seashell art about 20 years ago. Using seashells collected from Gaza beaches, he has made various art pieces. (Photo by Khaled Omar/Xinhua)?