French President Emmanuel Macron attends a conference at the Benin stand on restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

French President Emmanuel Macron and Cameroonian-born curator Koyo Kouoh attend a conference at the Benin stand on restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

French President Emmanuel Macron and Cameroonian-born curator Koyo Kouoh attend a conference at the Benin stand on restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

French President Emmanuel Macron and Cameroonian-born curator Koyo Kouoh attend a conference at the Benin stand on restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

French President Emmanuel Macron attends a conference at the Benin stand on restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

French President Emmanuel Macron attends a conference at the Benin stand on restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

French President Emmanuel Macron speaks about restitutions of African heritage during a conference at the Benin stand at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

Cameroonian-born curator Koyo Kouoh speaks as French President Emmanuel Macron looks on during a conference at the Benin stand on restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

French President Emmanuel Macron attends a conference at the Benin stand to speak about restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

French President Emmanuel Macron attends a conference at the Benin stand to speak about restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

Cameroonian-born curator Koyo Kouoh speaks as French President Emmanuel Macron looks on during a conference at the Benin stand on restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

French President Emmanuel Macron attends a conference at the Benin stand to speak about restitutions of African heritage at the New Africa-France 2021 Summit in Montpellier, France, October 8, 2021. REUTERS/Sarah Meyssonnier/Pool

Benin's Vice President Mariam Chabi Talata delivers a pre-recorded speech at the UN General Assembly 76th session General Debate in UN General Assembly Hall at the United Nations Headquarters in New York City, New York, U.S., September 24, 2021. John Angelillo/Pool via REUTERS

Nigerian artist Osarobo Zeickner-Okoro, who offered to donate new artworks created in Benin City, Nigeria, to the British Museum poses for a photograph outside its building in London, Britain, September 16, 2021. Picture taken September 16, 2021. REUTERS/Dylan Martinez

Nigerian artist Osarobo Zeickner-Okoro, who offered to donate new artworks created in Benin City, Nigeria, to the British Museum poses for a photograph outside its building in London, Britain, September 16, 2021. Picture taken September 16, 2021. REUTERS/Dylan Martinez

Nigerian artist Osarobo Zeickner-Okoro, who offered to donate new artworks created in Benin City, Nigeria, to the British Museum poses for a photograph outside its building in London, Britain, September 16, 2021. Picture taken September 16, 2021. REUTERS/Dylan Martinez

Nigerian artist Osarobo Zeickner-Okoro, who offered to donate new artworks created in Benin City, Nigeria, to the British Museum poses for a photograph outside its building in London, Britain, September 16, 2021. Picture taken September 16, 2021. REUTERS/Dylan Martinez

Edosonmwan William, bronze caster, is seen with one of his works inside is gallery at Igun street, Benin City, Nigeria August 24, 2021. Picture taken August 24, 2021. REUTERS/Tife Owolabi

Edosonmwan William is seen working around the oven he uses to melt metal to make artworks at Igun street, in Benin City, Nigeria August 24, 2021. Picture taken August 24, 2021. REUTERS/Tife Owolabi

Artist and bronze caster Osarobo Zeickner-Okoro is seen in front of a newly unveiled plaque that he is offering to the British Museum as a gift, in Benin City, Nigeria, July 31, 2021. Picture taken July 31, 2021. REUTERS/Tife Owolabi

Tokyo 2020 Olympics - Athletics - Men's 1500m - Decathlon 1500m - Olympic Stadium, Tokyo, Japan - August 5, 2021. Gold medallist Damian Warner of Canada clasps hands with heptathlon athlete Odile Ahouanwanou of Benin REUTERS/Lucy Nicholson

Tokyo 2020 Olympics - Athletics - Women's Javelin Throw - Heptathlon Javelin Throw - Olympic Stadium, Tokyo, Japan - August 5, 2021. Odile Ahouanwanou of Benin in action REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's Javelin Throw - Heptathlon Javelin Throw - Olympic Stadium, Tokyo, Japan - August 5, 2021. Odile Ahouanwanou of Benin in action REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's Javelin Throw - Heptathlon Javelin Throw - Olympic Stadium, Tokyo, Japan - August 5, 2021. Odile Ahouanwanou of Benin in action REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's Long Jump - Heptathlon Long Jump - Olympic Stadium, Tokyo, Japan - August 5, 2021. Odile Ahouanwanou of Benin in action REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's 200m - Heptathlon 200m - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin clasps hands with Annie Kunz of the United States in Heat 3 REUTERS/Lucy Nicholson REFILE - REMOVING EXTRA WORD

Tokyo 2020 Olympics - Athletics - Women's 200m - Heptathlon 200m - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin celebrates after competing in Heat 3 REUTERS/Phil Noble

Tokyo 2020 Olympics - Athletics - Women's 200m - Heptathlon 200m - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin celebrates after competing in Heat 3 REUTERS/Kai Pfaffenbach

Tokyo 2020 Olympics - Athletics - Women's 200m - Heptathlon 200m - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin reacts in Heat 3 REUTERS/Lucy Nicholson

Tokyo 2020 Olympics - Athletics - Women's 200m - Heptathlon 200m - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin reacts in Heat 3 REUTERS/Lucy Nicholson

Tokyo 2020 Olympics - Athletics - Women's 200m - Heptathlon 200m - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin celebrates after competing in Heat 3 REUTERS/Kai Pfaffenbach

Tokyo 2020 Olympics - Athletics - Women's 200m - Heptathlon 200m - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin celebrates after competing in Heat 3 REUTERS/Phil Noble

Tokyo 2020 Olympics - Athletics - Women's 200m - Heptathlon 200m - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin celebrates after competing in Heat 3 REUTERS/Kai Pfaffenbach

Tokyo 2020 Olympics - Athletics - Women's Shot Put - Heptathlon Shot Put - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin reacts REUTERS/Dylan Martinez

Tokyo 2020 Olympics - Athletics - Women's Shot Put - Heptathlon Shot Put - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin in action REUTERS/Dylan Martinez

Tokyo 2020 Olympics - Athletics - Women's Shot Put - Heptathlon Shot Put - Olympic Stadium, Tokyo, Japan - August 4, 2021. Odile Ahouanwanou of Benin reacts REUTERS/Dylan Martinez

Tokyo 2020 Olympics - Athletics - Women's 100m Hurdles - Heptathlon 100m Hurdles - Olympic Stadium, Tokyo, Japan - August 4, 2021. Anouk Vetter of the Netherlands, Odile Ahouanwanou of Benin and Zheng Ninali of China in action during heat 3 REUTERS/Phil Noble

Tokyo 2020 Olympics - Athletics - Women's 100m Hurdles - Heptathlon 100m Hurdles - Olympic Stadium, Tokyo, Japan - August 4, 2021. Anouk Vetter of the Netherlands, Odile Ahouanwanou of Benin and Zheng Ninali of China in action during heat 3 REUTERS/Phil Noble

Artist and bronze caster Osarobo Zeickner-Okoro explains some of his work to students of Edo College, Benin City, Nigeria, July 31, 2021. Picture taken July 31, 2021. REUTERS/Tife Owolabi

A life-size ram made from spark plugs, one of the artworks offered to the British Museum by Nigerian artists, is displayed in Benin City, Nigeria, July 31, 2021. Picture taken July 31, 2021. REUTERS/Tife Owolabi

A newly made bronze plaque depicting historical events in West Africa's once mighty Kingdom of Benin, which is being offered as a gift to the British Museum, is seen on display in Benin City, Nigeria, July 31, 2021. Picture taken July 31, 2021. REUTERS/Tife Owolabi

Nigerian traditional chiefs stand next to a life-size ram made out of spark plugs, one of the artworks offered as a gift to the British Museum by a new guild of artists, at the unveiling of the artworks in Benin City, Nigeria, July 31, 2021. Picture taken July 31, 2021. REUTERS/Tife Owolabi

Tokyo 2020 Olympics - Athletics - Women's 800m - Semifinal - OLS - Olympic Stadium, Tokyo, Japan - July 31, 2021. Noelie Yarigo of Benin reacts before competing in Semifinal 2 REUTERS/Hannah Mckay

Tokyo 2020 Olympics - Athletics - Women's 800m - Semifinal - OLS - Olympic Stadium, Tokyo, Japan - July 31, 2021. Noelie Yarigo of Benin reacts before competing in Semifinal 2 REUTERS/Hannah Mckay

Tokyo 2020 Olympics - Athletics - Men's 100m - Preliminary Round - OLS - Olympic Stadium, Tokyo, Japan - July 31, 2021. Mohamed Alhammadi of United Arab Emirates, Barakat Al-Harthi of Oman, Badamassi Saguirou of Niger, Didier Kiki of Benin and Ratu Banuve Tabakaucoro of Fiji in action in Heat 2 REUTERS/Phil Noble

Tokyo 2020 Olympics - Athletics - Men's 100m - Preliminary Round - OLS - Olympic Stadium, Tokyo, Japan - July 31, 2021. Didier Kiki of Benin reacts REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Noelie Yarigo of Benin rolls her ankle during Heat 2 alongside Natoya Goule of Jamaica REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Noelie Yarigo of Benin reacts at the finish of Heat 2 alongside Natoya Goule of Jamaica REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Natoya Goule of Jamaica, Noelie Yarigo of Benin and Hedda Hynne of Norway in action during Heat 2 REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Noelie Yarigo of Benin reacts at the end of Heat 2 alongside Natoya Goule of Jamaica REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Noelie Yarigo of Benin reacts after finishing Heat 2 alongside Natoya Goule of Jamaica REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Natoya Goule of Jamaica, Noelie Yarigo of Benin and Hedda Hynne of Norway in action during Heat 2 REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Noelie Yarigo of Benin reacts after competing REUTERS/Lucy Nicholson

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Noelie Yarigo of Benin reacts after competing REUTERS/Lucy Nicholson

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Noelie Yarigo of Benin reacts after competing REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Noelie Yarigo of Benin reacts after competing REUTERS/Aleksandra Szmigiel

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Noelie Yarigo of Benin reacts as she is pushed away REUTERS/Phil Noble

Tokyo 2020 Olympics - Athletics - Women's 800m - Round 1 - OLS - Olympic Stadium, Tokyo, Japan - July 30, 2021. Noelie Yarigo of Benin reacts as she is pushed away REUTERS/Phil Noble

Tokyo 2020 Olympics - Rowing - Men's Single Sculls - Final E - Sea Forest Waterway, Tokyo, Japan - July 30, 2021. Privel Hinkati of Benin in action REUTERS/Piroschka Van De Wouw

Tokyo 2020 Olympics - Rowing - Men's Single Sculls - Final E - Sea Forest Waterway, Tokyo, Japan - July 30, 2021. Privel Hinkati of Benin in action REUTERS/Leah Millis