A Palestinian farmer wearing a face mask harvests wheat in a field near the border with Israel in the southern Gaza Strip city of Khan Younis, on May 10, 2020. (Photos: Yasser Qudih/Xinhua)

A Palestinian farmer wearing a face mask harvests wheat in a field near the border with Israel in the southern Gaza Strip city of Khan Younis, on May 10, 2020.

Palestinian farmers wearing face masks harvest wheat in a field near the border with Israel in the southern Gaza Strip city of Khan Younis, on May 10, 2020.

Palestinian farmers wearing face masks harvest wheat in a field near the border with Israel in the southern Gaza Strip city of Khan Younis, on May 10, 2020.

Palestinian farmers wearing face masks harvest wheat in a field near the border with Israel in the southern Gaza Strip city of Khan Younis, on May 10, 2020.

Palestinian farmers wearing face masks harvest wheat in a field near the border with Israel in the southern Gaza Strip city of Khan Younis, on May 10, 2020.