A Palestinian beekeeper uses a smoker to calm the bees before removing trays from a beehive to collect honey at a bee farm in the southern Gaza Strip city of Rafah, April 5, 2019. There are 150 beehives at this bee farm. It produces honey once a year and the products are sold only in the Gaza Strip. (Xinhua/Khaled Omar)

Palestinian beekeepers use a smoker to calm the bees before removing trays from a beehive to collect honey at a bee farm in the southern Gaza Strip city of Rafah, April 5, 2019. There are 150 beehives at this bee farm. It produces honey once a year and the products are sold only in the Gaza Strip. (Xinhua/Khaled Omar)

Palestinian beekeepers use a smoker to calm the bees before removing trays from a beehive to collect honey at a bee farm in the southern Gaza Strip city of Rafah, April 5, 2019. There are 150 beehives at this bee farm. It produces honey once a year and the products are sold only in the Gaza Strip. (Xinhua/Khaled Omar)

A Palestinian beekeeper checks a beehive at a bee farm in the southern Gaza Strip city of Rafah, April 5, 2019. There are 150 beehives at this bee farm. It produces honey once a year and the products are sold only in the Gaza Strip. (Xinhua/Khaled Omar)

Palestinian beekeepers check a beehive at a bee farm in the southern Gaza Strip city of Rafah, April 5, 2019. There are 150 beehives at this bee farm. It produces honey once a year and the products are sold only in the Gaza Strip. (Xinhua/Khaled Omar)

Palestinian beekeepers use a smoker to calm the bees before removing trays from a beehive to collect honey at a bee farm in the southern Gaza Strip city of Rafah, April 5, 2019. There are 150 beehives at this bee farm. It produces honey once a year and the products are sold only in the Gaza Strip. (Xinhua/Khaled Omar)

Palestinian beekeepers use a smoker to calm the bees before removing trays from a beehive to collect honey at a bee farm in the southern Gaza Strip city of Rafah, April 5, 2019. There are 150 beehives at this bee farm. It produces honey once a year and the products are sold only in the Gaza Strip. (Xinhua/Khaled Omar)