Mutasim al-Jeiry, 50, a pottery maker, checks his mobile phone as he sits inside his workshop in an area known as the "Potters Village" in Alqamayir, Omdurman, Sudan, February 17, 2020. The dam "will stabilise the Nile and we will get less flooding", said al-Jeiry. "But on the other hand we will get less clay and less water. Farmers, brick and pottery makers will be seriously affected", he predicts. REUTERS/Zohra Bensemra SEARCH "BENSEMRA NILE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Mazeen, (R), 12, collects clay in an area known as the 'Potters Village' in Alqamayir, Omdurman, Sudan, February 16, 2020. REUTERS/Zohra Bensemra SEARCH "BENSEMRA NILE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A fire burns inside a clay sculpture during celebrations of the summer solstice in the village of Okunevo in Omsk region, Russia June 21, 2020. REUTERS/Alexey Malgavko

People gather to watch as fire burns inside clay sculptures during celebrations of the summer solstice in the village of Okunevo in Omsk region, Russia June 21, 2020. REUTERS/Alexey Malgavko

Benjamin Clay Jr. speaks from his van at a Juneteenth Awareness Walk to demonstrate against racial inequality in the aftermath of the death in Minneapolis police custody of George Floyd, in Boston, Massachusetts, U.S., June 18, 2020. REUTERS/Brian Snyder

An artisan applies finishing touches to a replica of the coronavirus made from clay at a workshop during a nationwide lockdown to slow the spreading of the coronavirus disease (COVID-19) in Kolkata, India, April 23, 2020. REUTERS/Rupak De Chowdhuri

Theo Clay looks out of his window next to his hand-drawn picture of a rainbow in Liverpool, as the spread of coronavirus disease (COVID-19) continues. Liverpool, Britain, March 25, 2020. REUTERS/Phil Noble

People, wearing protective masks following an outbreak of the coronavirus disease (COVID-19), make clay crafts at a pottery workshop in Gion district in Kyoto, Japan March 15, 2020. REUTERS/Edgard Garrido

Mira Safety employee Clay, who declined to provide his last name, is seen packing orders to be shipped out from the company's warehouse in Austin, Texas March 2, 2020. REUTERS/Nathan Frandino

A worker transports traditional clay pots in front of a tea shop in Yangon, Myanmar, January 21, 2020. REUTERS/Ann Wang

Palestinian woman artist Najla Abu Nahel, who restores ancient pieces she collects to display them in her own museum, is seen through a hole in a clay pot in the southern Gaza Strip January 6, 2020. Picture taken January 6, 2020. REUTERS/Ibraheem Abu Mustafa

Boxing - Luther Clay v Freddy Kiwitt - York Hall, London, Britain - December 19, 2019 Luther Clay celebrates his win against Freddy Kiwitt Action Images/Adam Holt

Boxing - Luther Clay v Freddy Kiwitt - York Hall, London, Britain - December 19, 2019 Luther Clay in action against Freddy Kiwitt Action Images/Adam Holt

Boxing - Luther Clay v Freddy Kiwitt - York Hall, London, Britain - December 19, 2019 Luther Clay in action against Freddy Kiwitt Action Images/Adam Holt

Boxing - Luther Clay v Freddy Kiwitt - York Hall, London, Britain - December 19, 2019 Luther Clay in action against Freddy Kiwitt Action Images/Adam Holt

Boxing - Luther Clay v Freddy Kiwitt - York Hall, London, Britain - December 19, 2019 Luther Clay in action against Freddy Kiwitt Action Images/Adam Holt

Boxing - Luther Clay v Freddy Kiwitt - York Hall, London, Britain - December 19, 2019 Luther Clay celebrates his win against Freddy Kiwitt Action Images/Adam Holt

Boxing - Luther Clay v Freddy Kiwitt - York Hall, London, Britain - December 19, 2019 Luther Clay in action against Freddy Kiwitt Action Images/Adam Holt

Boxing - Luther Clay v Freddy Kiwitt - York Hall, London, Britain - December 19, 2019 Luther Clay in action against Freddy Kiwitt Action Images/Adam Holt

Boxing - Luther Clay v Freddy Kiwitt - York Hall, London, Britain - December 19, 2019 Luther Clay celebrates his win against Freddy Kiwitt Action Images/Adam Holt

Boxing - Luther Clay v Freddy Kiwitt - York Hall, London, Britain - December 19, 2019 Luther Clay in action against Freddy Kiwitt Action Images/Adam Holt

Singaporean artist Qixuan Lim sculpts a tiny model of a fetus head using clay and cosmetic paint in Singapore, October 26, 2019. Picture taken October 26, 2019. REUTERS/Joseph Campbell

Tiny clay models of fetus heads, sculpted by Singaporean artist Qixuan Lim, are seen on her desk in Singapore, October 26, 2019. Picture taken October 26, 2019. REUTERS/Joseph Campbell

Singaporean artist Qixuan Lim poses next to cans containing tiny cherubic fetus heads, arms and legs or other human body parts, which she sculpted using clay and cosmetic paint, in Singapore, October 26, 2019. Picture taken October 26, 2019. REUTERS/Joseph Campbell

Singaporean artist Qixuan Lim sculpts a tiny model of a fetus head using clay and cosmetic paint in Singapore, October 26, 2019. Picture taken October 26, 2019. REUTERS/Joseph Campbell

A sardine can filled with tiny clay models of fetus heads, sculpted by Singaporean artist Qixuan Lim, is pictured in Singapore, October 26, 2019. Picture taken October 26, 2019. REUTERS/Joseph Campbell

A sardine can filled with tiny clay models of brains, sculpted by Singaporean artist Qixuan Lim, is pictured in Singapore, October 26, 2019. Picture taken October 26, 2019. REUTERS/Joseph Campbell

Singaporean artist Qixuan Lim sculpts a model of a fetus head using clay and cosmetic paint in Singapore, October 26, 2019. Picture taken October 26, 2019. REUTERS/Joseph Campbell

Singaporean artist Qixuan Lim sculpts a model of a fetus head using clay and cosmetic paint in Singapore, October 26, 2019. Picture taken October 26, 2019. REUTERS/Joseph Campbell TPX IMAGES OF THE DAY

Children play as caked clay is seen in the dried up municipal dam in drought-stricken Graaff-Reinet, South Africa, November 17, 2019. REUTERS/Mike Hutchings/File Photo SEARCH "GLOBAL POY" FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2019 PACKAGES. TPX IMAGES OF THE DAY.

Hydrologist Gideon Groenewald feels cracks in the clay in the dried up municipal dam in drought-stricken Graaff-Reinet, South Africa, November 14, 2019. Picture taken November 14, 2019. REUTERS/Mike Hutchings

Children play as caked clay is seen in the dried up municipal dam in drought-stricken Graaff-Reinet, South Africa, November 17, 2019. Picture taken November 17, 2019. REUTERS/Mike Hutchings

The 53rd Annual CMA Awards - Arrivals - Nashville, Tennessee, U.S., November 13, 2019 - Clay Walker and guest. REUTERS/Charles Pulliam

Britain's Prime Minister Boris Johnson reacts as he participates in a school art lesson, making a clay figure, during a general election campaign visit to George Spencer Academy, in Stapleford, west of Nottingham, Britain November 8, 2019. Daniel Leal-Olivas/Pool via REUTERS

Britain's Prime Minister Boris Johnson participates in a school art lesson, making a clay figure, during a general election campaign visit to George Spencer Academy, in Stapleford, west of Nottingham, Britain November 8, 2019. Daniel Leal-Olivas/Pool via REUTERS

Britain's Prime Minister Boris Johnson reacts as he participates in a school art lesson, making a clay figure, during a general election campaign visit to George Spencer Academy, in Stapleford, west of Nottingham, Britain November 8, 2019. Daniel Leal-Olivas/Pool via REUTERS

Britain's Prime Minister Boris Johnson reacts as he participates in a school art lesson, making a clay figure, during a general election campaign visit to George Spencer Academy, in Stapleford, west of Nottingham, Britain November 8, 2019. Daniel Leal-Olivas/Pool via REUTERS

Britain's Prime Minister Boris Johnson participates in a school art lesson, making a clay figure, during a general election campaign visit to George Spencer Academy, in Stapleford, west of Nottingham, Britain November 8, 2019. Daniel Leal-Olivas/Pool via REUTERS

Britain's Prime Minister Boris Johnson reacts as he participates in a school art lesson, making a clay figure, during a general election campaign visit to George Spencer Academy, in Stapleford, west of Nottingham, Britain November 8, 2019. Daniel Leal-Olivas/Pool via REUTERS

A woman walks past clay idols of the Hindu mythological characters "Dakinis" and "Yoginis", who will be worshiped along with the Hindu goddess Kali during the Kali Puja festival, at a roadside workshop in Kolkata, India, October 23, 2019. REUTERS/Rupak De Chowdhuri

Clay for ceramic products is placed outside a studio in Jingdezhen, also known as China's porcelain capital, in Jiangxi province, China June 23, 2019. Picture taken June 23, 2019. REUTERS/Jason Lee

The hands of a man are pictured as he makes earthenware in Bhaktapur, Nepal, September 26, 2019. REUTERS/Monika Deupala

Massage therapist Abdel Rehim Saeid sets the "fiery clay cups" onto a patient's back in Gharbia, Egypt September 4, 2019. Picture taken September 4, 2019. REUTERS/Mohamed Abd El Ghany

A patient receives the treatment of the "fiery clay cups" by massage therapist Abdel Rehim Saeid in Gharbia, Egypt September 4, 2019. Picture taken September 4, 2019. REUTERS/Mohamed Abd El Ghany

A patient receives the treatment of the "fiery clay cups" in Gharbia, Egypt September 4, 2019. Picture taken September 4, 2019. REUTERS/Mohamed Abd El Ghany

Massage therapist Abdel Rehim Saeid prepares the "fiery clay cups" in Gharbia, Egypt September 4, 2019. Picture taken September 4, 2019. REUTERS/Mohamed Abd El Ghany

Patient Mohamed El Shaer receives the treatment of the "fiery clay cups" in Gharbia, Egypt September 4, 2019. Picture taken September 4, 2019. REUTERS/Mohamed Abd El Ghany

Patient Mohamed El Shaer rests on the massage table as he receives the treatment of the "fiery clay cups" in Gharbia, Egypt September 4, 2019. Picture taken September 4, 2019. REUTERS/Mohamed Abd El Ghany

Local residents pack sand bags with the help of Clay County inmates and family before the arrival of Hurricane Dorian in Middleburg, Florida, U.S. September 1, 2019. REUTERS/Maria Alejandra Cardona

Local residents pack sand bags with the help of inmates, each vehicle can take up to 25 bags, as before the arrival of Hurricane Dorian at Omega Park in Middleburg, Florida, U.S. September 1, 2019. REUTERS/Maria Alejandra Cardona

Ally Valdez gives a Clay County inmate a Mountain Dew soda in appreciation of the help with packing sand bags to their family car at Omega Park in Middleburg, Florida, U.S. September 1, 2019. REUTERS/Maria Alejandra Cardona

Callie Campbell helps her mother as they pour sand into bags before the arrival of Hurricane Dorian in Middleburg, Florida, U.S. September 1, 2019. REUTERS/Maria Alejandra Cardona

A Clay County inmate helps local residents pack sand bags before the arrival of Hurricane Dorian in Middleburg, Florida, U.S. September 1, 2019. REUTERS/Maria Alejandra Cardona

A Clay County inmate helps local residents pack sand bags before the arrival of Hurricane Dorian at Omega Park in Middleburg, Florida, U.S. September 1, 2019. REUTERS/Maria Alejandra Cardona

Middleburg resident Myriam Leon packs sand bags into her vehicle with the help of Clay County Jail inmates before the arrival of Hurricane Dorian at Omega Park in Middleburg, Florida, U.S. September 1, 2019. REUTERS/Maria Alejandra Cardona

Raw clay bricks are seen in the brick factory of Wienerberger, the world's biggest brickmaker company, in Hennersdorf, Austria August 27, 2019. Picture taken August 27, 2019. REUTERS/Leonhard Foeger

Clay is transported to a storage area for raw material along a conveyor belt in the brick factory of Wienerberger, the world's biggest brickmaker company, in Hennersdorf, Austria August 27, 2019. Picture taken August 27, 2019. REUTERS/Leonhard Foeger

A raw clay brick is seen in the brick factory of Wienerberger, the world's biggest brickmaker company, in Hennersdorf, Austria August 27, 2019. Picture taken August 27, 2019. REUTERS/Leonhard Foeger

Raw clay bricks are seen in the brick factory of Wienerberger, the world's biggest brickmaker company, in Hennersdorf, Austria August 27, 2019. Picture taken August 27, 2019. REUTERS/Leonhard Foeger

Raw clay bricks are seen in the brick factory of Wienerberger, the world's biggest brickmaker company, in Hennersdorf, Austria August 27, 2019. Picture taken August 27, 2019. REUTERS/Leonhard Foeger