Artefacts are displayed at Iraq's Basra museum in Basra, Iraq March 19, 2019. Picture taken March 19, 2019. REUTERS/Essam Al-Sudani

Visitors look at artefacts displayed at Iraq's Basra museum in Basra, Iraq March 19, 2019. Picture taken March 19, 2019. REUTERS/Essam Al-Sudani

Visitors look at golden coins displayed at Iraq's Basra museum in Basra, Iraq March 19, 2019. Picture taken March 19, 2019. REUTERS/Essam Al-Sudani

An Iraqi model looks at an artefact displayed at Iraq's Basra museum in Basra, Iraq March 19, 2019. Picture taken March 19, 2019. REUTERS/Essam Al-Sudani

An artefact is displayed at Iraq's Basra museum in Basra, Iraq March 19, 2019. Picture taken March 19, 2019. REUTERS/Essam Al-Sudani

An artefact is displayed at Iraq's Basra museum in Basra, Iraq March 19, 2019. Picture taken March 19, 2019. REUTERS/Essam Al-Sudani

An artefact is displayed at Iraq's Basra museum in Basra, Iraq March 19, 2019. Picture taken March 19, 2019. REUTERS/Essam Al-Sudani

An artefact is displayed at Iraq's Basra museum in Basra, Iraq March 19, 2019. Picture taken March 19, 2019. REUTERS/Essam Al-Sudani

A view shows the dome of the Assyrian church facing a mosque minaret at Manger Square where the Church of the Nativity is located, in Bethlehem in the Israeli-occupied West Bank December 24, 2018. REUTERS/Mustafa Ganeyeh

A view shows the dome of the Assyrian church facing a mosque minaret at Manger Square where the Church of the Nativity is located, in Bethlehem in the Israeli-occupied West Bank December 24, 2018. REUTERS/Mustafa Ganeyeh

A view shows the dome of the Assyrian church facing a mosque minaret at Manger Square where the Church of the Nativity is located, in Bethlehem in the Israeli-occupied West Bank December 24, 2018. REUTERS/Mustafa Ganeyeh

Pope Francis and Mar Gewargis III, Patriarch of the Assyrian Church of the East sign a document after holding a joint prayer during a private audience at the Vatican, November 9, 2018. Gregorio Borgia/ Pool via Reuters

Pope Francis and Mar Gewargis III, Patriarch of the Assyrian Church of the East sign a document after holding a joint prayer during a private audience at the Vatican, November 9, 2018. Gregorio Borgia/ Pool via Reuters

Pope Francis and Mar Gewargis III, Patriarch of the Assyrian Church of the East leave after they held a joint prayer during a private audience at the Vatican, November 9, 2018. Gregorio Borgia/ Pool via Reuters

Pope Francis meets with Mar Gewargis III, Patriarch of the Assyrian Church of the East during a private audience at the Vatican, November 9, 2018. Gregorio Borgia/ Pool via Reuters

Pope Francis listens to the speech of Mar Gewargis III, Patriarch of the Assyrian Church of the East during a private audience at the Vatican, November 9, 2018. Gregorio Borgia/ Pool via Reuters

Pope Francis exchanges gifts with Mar Gewargis III, Patriarch of the Assyrian Church of the East during a private audience at the Vatican, November 9, 2018. Gregorio Borgia/ Pool via Reuters

Pope Francis exchanges gifts with Mar Gewargis III, Patriarch of the Assyrian Church of the East during a private audience at the Vatican, November 9, 2018. Gregorio Borgia/ Pool via Reuters

Assyrian Christians celebrate during the anniversary of Akitu, which marked the beginning of the new year in the ancient Assyrian age, in Dohuk, Iraq April 1, 2018. REUTERS/Ari Jalal

Assyrian Christians celebrate during the anniversary of Akitu, which marked the beginning of the new year in the ancient Assyrian age, in Dohuk, Iraq April 1, 2018. REUTERS/Ari Jalal

Assyrian Christians celebrate during the anniversary of Akitu, which marked the beginning of the new year in the ancient Assyrian age, in Dohuk, Iraq April 1, 2018. REUTERS/Ari Jalal

Assyrian Christians celebrate during the anniversary of Akitu, which marked the beginning of the new year in the ancient Assyrian age, in Dohuk, Iraq April 1, 2018. REUTERS/Ari Jalal

Remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud, on the eastern bank of the Tigris River, south of Mosul, Iraq, August 1, 2017. REUTERS/Khalid al-Mousily

A member of Iraqi security forces inspects the remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud, on the eastern bank of the Tigris River, south of Mosul, Iraq, August 1, 2017. REUTERS/Khalid al-Mousily

A member of Iraqi security forces walks at the remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants in the Assyrian city of Nimrud, on the eastern bank of the Tigris River, south of Mosul, Iraq, August 1, 2017. REUTERS/Khalid al-Mousily

A general view of the remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants in the Assyrian city of Nimrud, on the eastern bank of the Tigris River, south of Mosul, Iraq, August 1, 2017. REUTERS/Khalid al-Mousily

A member of Iraqi security forces walks at the remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants in the Assyrian city of Nimrud, on the eastern bank of the Tigris River, south of Mosul, Iraq, August 1, 2017. REUTERS/Khalid al-Mousily

Miniature replicas of statues destroyed by militants when they overran the 3,000-year-old Assyrian city of Nimrud 2-1/2 years ago, are seen in Erbil, Iraq, January 13, 2017. Picture taken January 13, 2017. REUTERS/Girish Gupta

Ninos Thabet, an 18-year-old Christian who studied art at Mosul University, creates miniature replicas of statues destroyed by militants when they overran the 3,000-year-old Assyrian city of Nimrud 2-1/2 years ago, in Erbil, Iraq, January 13, 2017. Picture taken January 13, 2017. REUTERS/Girish Gupta

Ninos Thabet, an 18-year-old Christian who studied art at Mosul University, creates miniature replicas of statues destroyed by militants when they overran the 3,000-year-old Assyrian city of Nimrud 2-1/2 years ago, in Erbil, Iraq, January 13, 2017. Picture taken January 13, 2017. REUTERS/Girish Gupta

Remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

A view of remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Remains of wall panels, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Members of Iraqi army gather at the remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

A member of Iraqi army walks at the remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

A member of Iraqi army walks at the remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Remains of wall panels and colossal statues of winged bulls, destroyed by Islamic State militants are seen in the Assyrian city of Nimrud eastern bank of the Tigris River, south of Mosul, Iraq, November 16, 2016. REUTERS/Ari Jalal

Assyrian murals are seen in the Iraqi national museum in Baghdad, Iraq April 4, 2016. REUTERS/Khalid al Mousily

An Ancient Assyrian human-headed winged bull statue is seen at the Iraqi National museum in Baghdad, Iraq April 4, 2016. REUTERS/Khalid al Mousily

Assyrian statues are seen at the National Museum of Iraq in Baghdad, April 4, 2016. REUTERS/Khalid al Mousily

Syria Democratic Forces fighters stick a flag onto a vehicle in a village on the outskirts of al-Shadadi town, Hasaka countryside, Syria February 19, 2016. The flag reads in Arabic, Kurdish and Assyrian: " Democratic Forces of Syria". REUTERS/Rodi Said TPX IMAGES OF THE DAY

Iraqi Kurdish Regional President Massoud Barzani (R) meets with Mar Gewargis Sliwa Patriarch of the Assyrian Church of the East, in Arbil, north of Iraq, September 28, 2015. REUTERS/Azad Lashkari

Members of the clergy attend a mass to choose the new Catholicos-Patriarch for the Assyrian Church of the East in Arbil, north of Iraq, September 27, 2015. REUTERS/Azad Lashkari

Members of the clergy attend a mass to choose the new Catholicos-Patriarch for the Assyrian Church of the East in Arbil, north of Iraq, September 27, 2015. REUTERS/Azad Lashkari

Mar Gewargis Sliwa speaks after he was elected as Catholicos Patriarch of the Assyrian Church of the East by Metropolitan of Iraq in Arbil, north of Iraq, September 18, 2015. REUTERS/Azad Lashkari

Christians attend an event where they choose Catholicos new patriarch for the Assyrian Church of the East in Arbil, north of Iraq, September 18, 2015. REUTERS/Azad Lashkari

Mar Gewargis Sliwa gestures after he was elected as Catholicos Patriarch of the Assyrian Church of the East by Metropolitan of Iraq in Arbil, north of Iraq, September 18, 2015. REUTERS/Azad Lashkari

Assyrian statues are seen at the National Museum of Iraq in Baghdad July 29, 2015. 378 artifacts were recovered by Iraqi authorities recently from individuals and other government sources as part of a campaign to preserve and protect artifacts, according to museum officials. REUTERS/Ahmad Mousa

An Assyrian relief is seen displayed at the Iraqi national museum in Baghdad July 15, 2015. REUTERS/Thaier Al-Sudani

A statue of King Shalmaneser III (824-858 B.C.) in white limestone found by the town wall of Nimrud, in the Iraqi National museum in Baghdad, July 15, 2015. Islamic State fighters have desecrated ancient Assyrian and Graeco-Roman palaces in northern Iraq including the 2,700-year-old Assyrian capital of Khorsabad, the cities of Nimrud and Nineveh and the desert complex at Hatra. REUTERS/Thaier Al-Sudani

A view is seen of ancient Assyrian human-headed winged bull statues at the Iraqi National museum in Baghdad, July 15, 2015. REUTERS/Thaier Al-Sudani

An Assyrian relief is seen displayed at the Iraqi national museum in Baghdad July 15, 2015. REUTERS/Thaier Al-Sudani