French President Emmanuel Macron and World Health Organization (WHO) Ethiopian Director-General Tedros Adhanom Ghebreyesus attend a video conference meeting during the "One Planet Summit" on biodiversity which is part of the World Nature Day at The Elysee Palace in Paris, France, January 11, 2021. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron and World Health Organization (WHO) Ethiopian Director-General Tedros Adhanom Ghebreyesus attend a video conference meeting during the "One Planet Summit" on biodiversity which is part of the World Nature Day at The Elysee Palace in Paris, France, January 11, 2021. Ludovic Marin/Pool via REUTERS

Ethiopians who fled the ongoing fighting in Tigray region gather to receive relief aid at the Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 17, 2020. Picture taken December 17, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region gather to receive relief aid at the Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 17, 2020. Picture taken December 17, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region gather to receive relief aid at the Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 17, 2020. Picture taken December 17, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian woman who fled the ongoing fighting in Tigray region, holds her refugee registration document as she waits to receive relief aid at the Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 17, 2020. Picture taken December 17, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, carry supplies at the Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 17, 2020. Picture taken December 17, 2020. REUTERS/Mohamed Nureldin Abdallah

A World Food Programme helicopter flies over the Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 17, 2020. Picture taken December 17, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, carry supplies at the Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 17, 2020. Picture taken December 17, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians, who fled the ongoing fighting in Tigray region, carry their belongings after crossing the Setit River on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 16, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians, who fled the ongoing fighting in Tigray region, carry their belongings after crossing the Setit River on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 16, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians, who fled the ongoing fighting in Tigray region, carry their belongings after crossing the Setit River on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 16, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians, who fled the ongoing fighting in Tigray region, carry their belongings after crossing the Setit River on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 16, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian child, who fled the ongoing fighting in Tigray region, is seen at dawn within Hamdayet village on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 16, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians, who fled the ongoing fighting in Tigray region, rest at dawn within Hamdayet village on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 16, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians, who fled the ongoing fighting in Tigray region, prepare a meal within Hamdayet village on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 16, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian woman, who fled the ongoing fighting in Tigray region, is seen at dawn within Hamdayet village on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 16, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians, who fled the ongoing fighting in Tigray region, gather at dawn within Hamdayet village on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian woman, who fled the ongoing fighting in Tigray region, holds her child under a World Food Programme banner in Hamdayet village on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian woman, who fled the ongoing fighting in Tigray region, carries a child on her back as she lights the fire within the Hamdayet village on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians, who fled the ongoing fighting in Tigray region, gather at dawn within Hamdayet village on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian man, who fled the ongoing fighting in Tigray region, bathes in the Setit River on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 16, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians, who fled the ongoing fighting in Tigray region, walk at dawn within Hamdayet village on the Sudan-Ethiopia border, in the eastern Kassala state, Sudan December 16, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian boy who fled the ongoing fighting in Tigray region, gestures in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah TPX IMAGES OF THE DAY

Ethiopians who fled the ongoing fighting in Tigray region, sit and lay in their makeshift shelter in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, sit in their makeshift shelter in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, sit and lay in their makeshift shelter in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian man who fled the ongoing fighting in Tigray region, holds his belongings as he crosses the Setit river on the Sudan-Ethiopia border in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian man who fled the ongoing fighting in Tigray region, holds on jerrycans used as a floater for his goat as they cross the Setit river on the Sudan-Ethiopia border in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah TPX IMAGES OF THE DAY

An Ethiopian woman who fled the ongoing fighting in Tigray region, sits in her makeshift shelter in the Hamdayet village in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, queue to receive food aid in the Hamdayet village in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, pull a handcart after crossing the Setit river on the Sudan-Ethiopia border in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian man who fled the ongoing fighting in Tigray region, holds his belongings as he crosses the Setit river on the Sudan-Ethiopia border in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, stand with their belongings at the Setit river on the Sudan-Ethiopia border in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, are seen at the Setit river on the Sudan-Ethiopia border in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, load their belongings on a handcart after crossing the Setit river on the Sudan-Ethiopia border in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, use a camel near the Setit river on the Sudan-Ethiopia border in the Hamdayet village in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian woman who fled the ongoing fighting in Tigray region, nurses her newly born children inside a clinic in the Hamdayat camp on the Sudan-Ethiopia border, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, queue to receive food aid in the Hamdayet village in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, queue to receive food aid in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopian women who fled the ongoing fighting in Tigray region, nurse their newly born children inside a clinic in the Hamdayat camp on the Sudan-Ethiopia border, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian woman who fled the ongoing fighting in Tigray region, nurses her newly born children inside a clinic in the Hamdayat camp on the Sudan-Ethiopia border, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

A newly born child from an Ethiopian woman who fled the ongoing fighting in Tigray region, lays inside a clinic in the Hamdayat camp on the Sudan-Ethiopia border, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, queue to receive food aid in the Hamdayet village in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopians who fled the ongoing fighting in Tigray region, queue to receive food aid in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. Picture taken December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian refugee who fled Tigray region, receives medical treatment within the Fashaga camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 14, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian refugee who fled Tigray region, receives medical treatment within the Fashaga camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 14, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopian refugees who fled Tigray region, queue to receives treatment within the Fashaga camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 14, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopian refugees who fled Tigray region, queue to receives treatment within the Fashaga camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 14, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian refugee who fled Tigray region, receives medical treatment within the Fashaga camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 14, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian pregnant refugee woman who fled Tigray region, sits inside a courtesy bus at the Fashaga camp as she is transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 13, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopian refugees who fled Tigray region, sit inside a courtesy bus at the Fashaga camp as they are transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 13, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopian refugees who fled Tigray region, register for a courtesy bus at the Fashaga camp to be transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 13, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopian refugees who fled Tigray region, board courtesy buses at the Fashaga camp as they are transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 13, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopian refugees who fled Tigray region, board courtesy buses at the Fashaga camp as they are transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 13, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopian refugees who fled Tigray region, wait to board courtesy buses at the Fashaga camp as they are transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 13, 2020. REUTERS/Mohamed Nureldin Abdallah

Sudanese security officers patrol as Ethiopian refugees who fled Tigray region are seen at the Fashaga camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 13, 2020. REUTERS/Mohamed Nureldin Abdallah

Ethiopian refugees who fled Tigray region, sit inside a courtesy bus at the Fashaga camp as they are transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 13, 2020. REUTERS/Mohamed Nureldin Abdallah

An Ethiopian refugee who fled Tigray region holds a child inside a courtesy bus at the Fashaga camp, as they are transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 13, 2020. REUTERS/Mohamed Nureldin Abdallah