A worker carries a sack of wheat flour provided by the local charity Mona Relief to beneficiaries at a camp for internally displaced people on the outskirts of Sanaa, Yemen March 1, 2021. REUTERS/Khaled Abdullah

A man carries a sack of wheat flour he received from the local charity Mona Relief at a camp for internally displaced people on the outskirts of Sanaa, Yemen March 1, 2021. REUTERS/Khaled Abdullah

An employee, wearing a protective face mask, throws flour on dough for French baguettes near the oven at "La Parisienne" bakery in Paris, France, February 17, 2021. Picture taken on February 17, 2021. REUTERS/Sarah Meyssonnier

Workers carry sacks of wheat flour at a foodstuff aid distribution center in Sanaa, Yemen January 26, 2021. REUTERS/Khaled Abdullah

A worker carries a sack of wheat flour at a foodstuff aid distribution center in Sanaa, Yemen January 26, 2021. REUTERS/Khaled Abdullah

A Palestinian boy carries a bag of flour at an aid distribution center run by the United Nations Relief and Works Agency (UNRWA), amid the outbreak of the coronavirus disease (COVID-19), at Beach refugee camp in Gaza City January 14, 2021. Picture taken January 14, 2021. REUTERS/Mohammed Salem

A Palestinian boy sits on a bag of flour at an aid distribution center run by the United Nations Relief and Works Agency (UNRWA), amid the coronavirus disease (COVID-19) pandemic, at Beach refugee camp in Gaza City January 14, 2021. Picture taken January 14, 2021. REUTERS/Mohammed Salem TPX IMAGES OF THE DAY

A vendor sells cassava flour at a traditional market in Bariga district, in Lagos, Nigeria January 15, 2021. Picture taken January 15, 2021. REUTERS/Temilade Adelaja

Palestinian boys, wrapped in flour bags, lie on the ground during a protest against what they say are food aid?cuts by the United Nations Relief and Works Agency (UNRWA), in the southern Gaza Strip December 23, 2020. REUTERS/Ibraheem Abu Mustafa

Ynsect's Chairman and CEO Antoine Hubert shows insect flour at the insect farm Ynsect, which harvests mealworms for bug-based animal food and fertilizer, in Dole, France, October 22, 2020. Picture taken October 22, 2020. REUTERS/Ardee Napolitano

Ynsect's Chairman and CEO Antoine Hubert shows insect flour at the insect farm Ynsect, which harvests mealworms for bug-based animal food and fertilizer, in Dole, France, October 22, 2020. Picture taken October 22, 2020. REUTERS/Ardee Napolitano

A container of insect flour is seen at the insect farm Ynsect, which harvests mealworms for bug-based animal food and fertilizer, in Dole, France, October 22, 2020. Picture taken October 22, 2020. REUTERS/Ardee Napolitano

Containers of insect flour, insect oil and fertilizer made with insect frass are seen at the insect farm Ynsect, which harvests mealworms for bug-based animal food and fertilizer, in Dole, France, October 22, 2020. Picture taken October 22, 2020. REUTERS/Ardee Napolitano

A worker is seen through an opening in a school door as he carries a sack of flour distributed by UNRWA to be delivered to a Palestinian family amid the coronavirus disease (COVID-19) outbreak, in Gaza City October 7, 2020. REUTERS/Mohammed Salem TPX IMAGES OF THE DAY

A worker is seen through an opening in a school door as he carries a sack of flour distributed by UNRWA to be delivered to a Palestinian family amid the coronavirus disease (COVID-19) outbreak, in Gaza City October 7, 2020. REUTERS/Mohammed Salem

Cony and Alison, co-owners of Dear Harley Cake Studio, prepare flour to make illusion cakes in Hong Kong, China, August 25, 2020. Picture taken August 25, 2020. REUTERS/Lam Yik

Healthcare workers wearing personal protective equipment (PPE) take swabs from flour mill workers, amidst the coronavirus disease (COVID-19) outbreak, in Moriya village on the outskirts of Ahmedabad, India, September 14, 2020. REUTERS/Amit Dave

Bags of flour mills product are loaded on a wheelbarrow at Utako market in Abuuja, Nigeria August 17, 2020. REUTERS/Afolabi Sotunde

A man pushes bags of flour mills product on a wheelbarrow at Utako market in Abuja, Nigeria August 17, 2020. REUTERS/Afolabi Sotunde

A worker lifts a bag of flour at the Hollange watermill during the coronavirus disease (COVID-19) outbreak in Fauvillers, Belgium, May 20, 2020. Picture taken May 20, 2020. REUTERS/Francois Lenoir

A baker weighs a bag of flour at the Hollange watermill during the coronavirus disease (COVID-19) outbreak in Fauvillers, Belgium, May 20, 2020. Picture taken May 20, 2020. REUTERS/Francois Lenoir

A baker weighs a bag of flour at the Hollange watermill during the coronavirus disease (COVID-19) outbreak in Fauvillers, Belgium, May 20, 2020. Picture taken May 20, 2020. REUTERS/Francois Lenoir

A woker carries a sack of wheat flour outside a food store amid concerns over the spread of the coronavirus disease (COVID-19), in Sanaa, Yemen May 13, 2020. Picture taken May 13, 2020. REUTERS/Khaled Abdullah

A woker carries a sack of wheat flour outside a food store amid concerns over the spread of the coronavirus disease (COVID-19), in Sanaa, Yemen May 13, 2020. Picture taken May 13, 2020. REUTERS/Khaled Abdullah

A woker carries a sack of wheat flour outside a food store amid concerns over the spread of the coronavirus disease (COVID-19), in Sanaa, Yemen May 13, 2020. Picture taken May 13, 2020. REUTERS/Khaled Abdullah

Members of the New Mexico Army National Guard put bags of flour into a truck as they assist with food distribution throughout the Navajo reservation amid an outbreak of coronavirus disease (COVID-19) in Standing Rock, New Mexico, U.S., May 11, 2020. Picture taken May 11, 2020. REUTERS/Donovan Quintero

Flour is put on display at Paul bakery during the outbreak of the coronavirus disease (COVID-19) in Paris, France, May 5, 2020. Picture taken May 5, 2020. REUTERS/Charles Platiau

Flour is put on display at Paul bakery during the outbreak of the coronavirus disease (COVID-19) in Paris, France, May 5, 2020. Picture taken May 5, 2020. REUTERS/Charles Platiau

Flour is put on display at Paul bakery during the outbreak of the coronavirus disease (COVID-19) in Paris, France, May 5, 2020. Picture taken May 5, 2020. REUTERS/Charles Platiau

Flour is put on display at Paul bakery during the outbreak of the coronavirus disease (COVID-19) in Paris, France, May 5, 2020. Picture taken May 5, 2020. REUTERS/Charles Platiau

Flour is put on display at Paul bakery during the outbreak of the coronavirus disease (COVID-19) in Paris, France, May 5, 2020. Picture taken May 5, 2020. REUTERS/Charles Platiau

Flour is put on display at bakery Paul during the outbreak of the coronavirus disease (COVID-19) in Paris, France, May 5, 2020. Picture taken May 5, 2020. REUTERS/Charles Platiau

A worker wearing a mask carries a sack of flour as Lebanon extends a shutdown to curb the spread of the coronavirus disease (COVID-19) in Sidon, Lebanon, May 6, 2020. REUTERS/Ali Hashisho

A worker wearing a protective mask unloads a sack of flour as Lebanon extends a shutdown to curb the spread of the coronavirus disease (COVID-19) in Sidon, Lebanon, May 6, 2020. REUTERS/Ali Hashisho

Joe Lister, stands outside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Packets of flour are seen inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Packets of flour are seen inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Packets of flour are seen inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Freshly milled flour is seen inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Packets of flour are seen inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Packets of flour are seen inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

A flour milling machine is seen inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Freshly milled flour is seen inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Wheat grain is milled inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

A worker checks flour inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

A packet of flour is seen inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

A flour milling machine is seen inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Wheat grain is milled inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

A worker carries a packet of flour inside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Joe Lister, stands outside the family run Shipton Mill, as a rare boon from the novel coronavirus disease (COVID-19) outbreak sees soaring demand for their organic flour from a new generation of locked-down home bakers, in Tetbury, Britain May 5, 2020. Picture taken May 5, 2020. REUTERS/Dylan Martinez

Bags of flour are pictured at the Redbournbury Watermill, during the coronavirus disease (COVID-19) outbreak, in Redbournbury near St. Albans in Hertfordshire, Britain April 25, 2020. REUTERS/Paul Childs

Flour is pictured at the Redbournbury Watermill, during the coronavirus disease (COVID-19) outbreak, in Redbournbury near St. Albans in Hertfordshire, Britain April 25, 2020. REUTERS/Paul Childs

A Palestinian worker, wearing a mask as a precaution against the coronavirus disease (COVID-19), carries bags of flour at a United Nations food distribution center in the northern Gaza Strip March 31, 2020. REUTERS/Mohammed Salem

A Congolese woman sells flour at an open air market, amid concerns about the spread of coronavirus disease (COVID-19) in Kinshasa, Democratic Republic of Congo March 28, 2020. REUTERS/Kenny Katombe

A woman carries a sack of flour on her head which she has received from a distribution point of a charity during a lockdown, after Pakistan shut all markets, public places and discouraged large gatherings amid an outbreak of coronavirus disease (COVID-19), in Lahore, Pakistan March 28, 2020. REUTERS/Mohsin Raza

An employee wearing a protective mask, used as a measure against coronavirus disease (COVID-19), carries a bag with flour at a bakery in the city of Nevinnomyssk in Stavropol region, Russia March 27, 2020. REUTERS/Eduard Korniyenko TPX IMAGES OF THE DAY

A sign announcing "flour and toilet-paper available" is seen at the Kreuzberg district, as the spread of the coronavirus disease (COVID-19) continues, in Berlin, Germany, March 24, 2020. REUTERS/Michele Tantussi

A restaurant stacks bags of flour to keep the seating area closed as they offer take out only following the spread of Coronavirus disease (COVID-19), in the Manhattan borough of New York City, New York, U.S., March 20, 2020. REUTERS/Carlo Allegri

A supermarket worker fills up flour supplies after the government limited the number of customers in supermarkets to 50 at a time due to coronavirus (COVID-19) threat in Podgorica, Montenegro March 16, 2020. REUTERS/Stevo Vasiljevic

Researcher Ilga Gedrovica shows corn sticks with added earthworm flour in Jelgava, Latvia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ints Kalnins