A Palestinian farmer wearing a protective mask as a precaution due to the COVID-19 works in a greenhouse in the southern Gaza Strip city of Rafah on April 17, 2020. (Photo by Rizek Abdeljawad/Xinhua)

A Palestinian farmer wearing a protective mask as a precaution due to the COVID-19 works in a greenhouse in the southern Gaza Strip city of Rafah on April 17, 2020. (Photo by Rizek Abdeljawad/Xinhua)

A Palestinian farmer wearing a protective mask as a precaution due to the COVID-19 works in a greenhouse in the southern Gaza Strip city of Rafah on April 17, 2020. (Photo by Rizek Abdeljawad/Xinhua)

A Palestinian farmer wearing a protective mask as a precaution due to the COVID-19 works in a greenhouse in the southern Gaza Strip city of Rafah on April 17, 2020. (Photo by Rizek Abdeljawad/Xinhua)