Worms used to produce organic fertilizers are pictured at Hassan Khalifa's farm in the town of Saqba, in Damascus countryside, Syria September 27, 2022. REUTERS/Firas Makdesi 

Hassan Khalifa, a 67-year-old farmer, shows worms used to produce organic fertilizers at his farm in the town of Saqba, in Damascus countryside, Syria September 27, 2022. REUTERS/Firas 

Syrian farmer, Bassam Abdel Jawad, carries liquid fertilizer as he walks at his farm in the town of Saqba, in Damascus countryside, Syria September 27, 2022. REUTERS/Firas 

Hassan Khalifa, a 67-year-old farmer, works at his worm farm in the town of Saqba, in Damascus countryside, Syria September 27, 2022. REUTERS/Firas Makdesi 

Syrian Foreign Minister Faisal Mekdad addresses the 77th Session of the United Nations General Assembly at U.N. Headquarters in New York City, U.S., September 26, 2022. REUTERS/Eduardo Munoz 

Syrian Foreign Minister Faisal Mekdad attends the 77th Session of the United Nations General Assembly at U.N. Headquarters in New York City, U.S., September 26, 2022. REUTERS/Eduardo Munoz 

Syrian Foreign Minister Faisal Mekdad addresses the 77th Session of the United Nations General Assembly at U.N. Headquarters in New York City, U.S., September 26, 2022. REUTERS/Eduardo Munoz 

A man carries a water container as he walks past a tent in a camp for internally displaced Syrians, in northern rebel-held Idlib, Syria September 25, 2022. REUTERS/Khalil Ashawi 

A general view of a camp for internally displaced people, in northern rebel-held Idlib, Syria September 25, 2022. REUTERS/Khalil Ashawi 

Girls jump over sewage at a camp for internally displaced Syrians, in northern rebel-held Idlib, Syria September 25, 2022. REUTERS/Khalil Ashawi 

A boy stands near sewage at a camp for internally displaced Syrians, in northern rebel-held Idlib, Syria September 25, 2022. REUTERS/Khalil Ashawi 

A boy drinks water at a camp for internally displaced Syrians, in northern rebel-held Idlib, Syria September 25, 2022. REUTERS/Khalil Ashawi 

A boy jumps over sewage at a camp for internally displaced Syrians, in northern rebel-held Idlib, Syria September 25, 2022. REUTERS/Khalil Ashawi 

Sobha al-Jadoue, 60, stands near sewage flowing outside her tent, at a camp for internally displaced Syrians, in northern rebel-held Idlib, Syria September 25, 2022. REUTERS/Khalil Ashawi 

Civil defense members talk to internally displaced Syrians during a cholera awareness campaign, at a camp in northern rebel-held Idlib, Syria September 24, 2022. REUTERS/Khalil Ashawi 

A health technician works at a disease monitoring centre in rebel-held Idlib, Syria September 24, 2022. REUTERS/Khalil Ashawi 

An internally displaced boy listens to civil defense members during a cholera awareness campaign, at a camp in northern rebel-held Idlib, Syria September 24, 2022. REUTERS/Khalil Ashawi 

Doctor Chahem Mekki displays a sample for testing at a disease monitoring centre in rebel-held Idlib, Syria September 24, 2022. REUTERS/Khalil Ashawi 

Tests for detection of Cholera are pictured inside at a disease monitoring centre in rebel-held Idlib, Syria September 24, 2022. REUTERS/Khalil Ashawi 

Rawane El Maneh, a cousin of Mustafa Misto, a Lebanese man who was on the migrant boat with his three young children which sank off the Syrian coast on Thursday after sailing from Lebanon, attends an interview with Reuters at Tripoli's Bab al-Ramel neighbourhood, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

Military personnel stand near the sea shore following the sinking of a migrant boat off the Syrian coast on Thursday after sailing from Lebanon, as pictured from the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

People sit together as they pay condolences for Mustafa Misto, a Lebanese man who was on the migrant boat with his three young children which sank off the Syrian coast on Thursday after sailing from Lebanon, at Tripoli's Bab al-Ramel neighbourhood, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

Mother of Mustafa Misto, a Lebanese man who, with his wife and three young children, was on the migrant boat which according to Lebanese and Syrian officials sank off the Syrian coast after sailing from Lebanon, walks by the help of men in the northern city of Tripoli, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

People carry the body of Mustafa Misto, a Lebanese man who, with his wife and three young children, was on the migrant boat which according to Lebanese and Syrian officials sank off the Syrian coast after sailing from Lebanon, in the northern city of Tripoli, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

A relative of a person, that was aboard a migrant boat which according to Lebanese and Syrian officials sank off at Syrian coast after sailing from Lebanon, reacts near the body, at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

A relative of a man, that was aboard a migrant boat which according to Lebanese and Syrian officials sank off at Syrian coast after sailing from Lebanon, reacts near his body, at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

A member of the Lebanese general security gestures at the Lebanese Red Cross vehicle as it arrives carrying dead bodies of people that were aboard a migrant boat which according to Lebanese and Syrian officials sank off at Syrian coast after sailing from Lebanon, at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

A relative of a man, that was aboard a migrant boat which according to Lebanese and Syrian officials sank off at Syrian coast after sailing from Lebanon, reacts near his body, at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir TPX IMAGES OF THE DAY 

Members of the Lebanese general security stand near Lebanese Red Cross vehicles as they arrive carrying dead bodies of people that were aboard a migrant boat which according to Lebanese and Syrian officials sank off at Syrian coast after sailing from Lebanon, at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

Lebanese Red Cross vehicles arrive as they carry dead bodies of people that were aboard a migrant boat which according to Lebanese and Syrian officials sank off at Syrian coast after sailing from Lebanon, at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

People gather near Lebanese Red Cross vehicles that carry dead bodies of people that were aboard a migrant boat which according to Lebanese and Syrian officials sank off at Syrian coast after sailing from Lebanon, at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

Members of medics walk together as they wait to receive dead bodies after sinking of a migrant boat which according to Lebanese and Syrian officials sank off at Syrian coast after sailing from Lebanon, at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

Relatives of Mustafa Misto, a Lebanese man who, with his wife and three young children, was on the migrant boat which according to Lebanese and Syrian officials sank off the Syrian coast after sailing from Lebanon, walk together at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

A member of the Lebanese Red Cross holds a stretcher as he waits with his colleagues to receive dead bodies after sinking of a migrant boat which according to Lebanese and Syrian officials sank off at Syrian coast after sailing from Lebanon, at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

A relative of Mustafa Misto, a Lebanese man who, with his wife and three young children, was on the migrant boat which according to Lebanese and Syrian officials sank off the Syrian coast after sailing from Lebanon, reacts in the northern city of Tripoli, Lebanon September 23, 2022. REUTERS/Mohamed Azakir TPX IMAGES OF THE DAY 

People gather following the sinking of a migrant boat, that according to Lebanese and Syrian officials sank off at Syrian coast after sailing from Lebanon, at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

Lebanese Red Cross vehicles are parked at the Lebanese-Syrian border crossing in Arida, Lebanon September 23, 2022. REUTERS/Mohamed Azakir 

A Syrian Kurdish activist, who identified himself as Ceko Kurd, leads demonstrators in chanting during a protest following the death of a young Iranian Kurdish woman, Mahsa (Zhina) Amini, outside the Wilshire Federal Building in Los Angeles, California, U.S., September 22, 2022. REUTERS/Bing Guan 

A Syrian Kurdish activist, who identified himself as Ceko Kurd, leads demonstrators in chanting during a protest following the death of a young Iranian Kurdish woman, Mahsa (Zhina) Amini, outside the Wilshire Federal Building in Los Angeles, California, U.S., September 22, 2022. REUTERS/Bing Guan 

A view shows the Byzantine castle that was transformed into a makeshift school for the internally displaced children, and surrounding buildings in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

A view shows the Byzantine castle that was transformed into a makeshift school for the internally displaced children, in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

President of the International Olympic Committee, Thomas Bach, plays table tennis with Syrian refugees at a UNICEF supported Makani centre during his visit to the Zaatari refugee camp in the Jordanian city of Mafraq, near the border with Syria, Jordan September 22, 2022. REUTERS/Alaa Al Sukhni 

President of the International Olympic Committee, Thomas Bach, speaks with Syrian refugees at a UNICEF supported Makani centre during his visit to the Zaatari refugee camp in the Jordanian city of Mafraq, near the border with Syria, Jordan September 22, 2022. REUTERS/Alaa Al Sukhni 

President of the International Olympic Committee, Thomas Bach, poses for a picture with Syrian refugees at a UNICEF supported Makani centre, during his visit to the Zaatari refugee camp in the Jordanian city of Mafraq, near the border with Syria, Jordan September 22, 2022. REUTERS/Alaa Al Sukhni 

President of the International Olympic Committee, Thomas Bach, plays table tennis with Syrian refugees at a UNICEF supported Makani centre during his visit to the Zaatari refugee camp in the Jordanian city of Mafraq, near the border with Syria, Jordan September 22, 2022. REUTERS/Alaa Al Sukhni 

President of the International Olympic Committee, Thomas Bach, plays football with Syrian refugees at a UNICEF supported Makani centre during his visit to the Zaatari refugee camp in the Jordanian city of Mafraq, near the border with Syria, Jordan September 22, 2022. REUTERS/Alaa Al Sukhni 

A student attends a class inside a Byzantine castle that was transformed into a makeshift school for the internally displaced children, in the opposition-held Idlib, Syria September 21, 2022. REUTERS/Khalil Ashawi 

Students walk together near the Byzantine castle that was transformed into a makeshift school for the internally displaced children in the opposition-held Idlib, Syria September 21, 2022. REUTERS/Khalil Ashawi 

Najlaa Mimar, a history graduate who has transformed a Byzantine castle into a school for the internally displaced children, uses her mobile phone, in the opposition-held Idlib, Syria September 21, 2022. REUTERS/Khalil Ashawi 

Students attend a class inside a Byzantine castle that was transformed into a makeshift school for the internally displaced children, in the opposition-held Idlib, Syria September 21, 2022. REUTERS/Khalil Ashawi 

Students attend a class inside a Byzantine castle that was transformed into a makeshift school for the internally displaced children, in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

Najlaa Mimar, a history graduate who has transformed a Byzantine castle into a school for the internally displaced children, sits with students, in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

A teacher helps a student to write on a board inside a Byzantine castle that was transformed into a makeshift school for the internally displaced children in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

Najlaa Mimar, a history graduate who has transformed a Byzantine castle into a makeshift school for the internally displaced children, gestures inside a classroom, in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

Internally displaced students attend a class inside a Byzantine castle that was transformed into a makeshift school for the internally displaced children, in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

Najlaa Mimar, a history graduate who has transformed a Byzantine castle into a school for the internally displaced children, poses for a picture with students, in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

A student attends a class inside a Byzantine castle that was transformed into a school for the internally displaced children, in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

Najlaa Mimar, a history graduate who has transformed a Byzantine castle into a makeshift school for the internally displaced children, gestures inside a classroom, in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

Internally displaced children walk together in the opposition-held Idlib, Syria September 20, 2022. REUTERS/Khalil Ashawi 

Turkey's President Tayyip Erdogan holds up a photo of what he described as Syrian refugee children as he addresses the 77th Session of the United Nations General Assembly at U.N. Headquarters in New York City, U.S., September 20, 2022. REUTERS/Amr Alfiky