Iraqi engineer Hazem Mohammed, who was hit by two bullets but survived the mass killing in which his brother perished, walks on the site of an unearthed mass grave from which people where exhumed that are believed to have been executed under Saddam Hussein's regime after an uprising in 1991, on the outskirts of the city of Najaf, Iraq January 24, 2023. REUTERS/Alaa Al-Marjani 

Iraqi engineer Hazem Mohammed, who was hit by two bullets but survived the mass killing in which his brother perished, walks on the site of an unearthed mass grave from which people where exhumed that are believed to have been executed under Saddam Hussein's regime after an uprising in 1991, on the outskirts of the city of Najaf, Iraq January 24, 2023. REUTERS/Alaa Al-Marjani 

A view of sandals found on the site of an unearthed mass grave from which people where exhumed that are believed to have been executed under Saddam Hussein's regime after an uprising in 1991, on the outskirts of the city of Najaf, Iraq January 24, 2023. REUTERS/Alaa Al-Marjani 

An aerial view shows Iraqi engineer Hazem Mohammed, who was hit by two bullets but survived the mass killing in which his brother perished, walks on the site of an unearthed mass grave from which people where exhumed that are believed to have been executed under Saddam Hussein's regime after an uprising in 1991, on the outskirts of the city of Najaf, Iraq January 24, 2023. REUTERS/Alaa Al-Marjani 

A handout photo shows a bronze hand, dated from 2100 years ago and showing words written in a precursor of the Basque language, found in a fort settlement in Irulegi, near Pamplona, Spain. Photo supplied November 16, 2022. Archeologists from the Aranzadi Science Society made the find in June, 2021, and have now translated the first word; 'sorioneku' or 'good fortune'. Sociedad de Ciencas Aranzadi/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY 

A handout photo shows a bronze hand, dated from 2100 years ago and showing words written in a precursor of the Basque language, found in a fort settlement in Irulegi, near Pamplona, Spain. Photo supplied November 16, 2022. Archeologists from the Aranzadi Science Society made the find in June, 2021, and have now translated the first word; 'sorioneku' or 'good fortune'. Sociedad de Ciencas Aranzadi/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY 

Yiftah Shalev of the Israel Antiquities Authority (IAA) holds ivory plaques unearthed in excavations by the walls of Jerusalem's Old City and that can be dated to the Biblical First Temple era according to the IAA, in Jerusalem, September 5, 2022. REUTERS/Ronen Zvulun 

A worker of the Israel Antiquities Authority (IAA) holds an ivory plaque unearthed in excavations by the walls of Jerusalem's Old City and that can be dated to the Biblical First Temple era according to the IAA, in Jerusalem, September 5, 2022. REUTERS/Ronen Zvulun 

Yiftah Shalev of the Israel Antiquities Authority (IAA), holds ivory plaques unearthed in excavations by the walls of Jerusalem's Old City and that can be dated to the Biblical First Temple era according to the IAA, in Jerusalem September 5, 2022. REUTERS/Ronen Zvulun 

Artifacts and a mummified body wrapped in textiles unearthed at the pre-Incan Cajamarquilla archaeological site are exhibited at the Universidad Nacional Mayor de San Marcos, in Lima, Peru February 22, 2022. REUTERS/Sebastian Castaneda 

Members of the media take pictures of a pre-Incan mummy unearthed from the Cajamarquilla archaeological site and believed to be between 800 and 1,200 years old, at the Universidad Nacional Mayor de San Marcos, in Lima, Peru February 22, 2022. REUTERS/Sebastian Castaneda 

A mummified body wrapped in textiles from the pre-Incan Cajamarquilla archaeological site and believed to be between 800 and 1,200 years old is exhibited among artifacts at the Universidad Nacional Mayor de San Marcos, in Lima, Peru February 22, 2022. REUTERS/Sebastian Castaneda 

Mummified bodies wrapped in textiles from the pre-Incan Cajamarquilla archaeological site and believed to be between 800 and 1,200 years old are exhibited at the Universidad Nacional Mayor de San Marcos, in Lima, Peru February 22, 2022. REUTERS/Sebastian Castaneda TPX IMAGES OF THE DAY 

A pre-Incan mummy unearthed at the Cajamarquilla archaeological site and believed to be between 800 and 1,200 years old is exhibited at the Universidad Nacional Mayor de San Marcos, in Lima, Peru February 22, 2022. REUTERS/Sebastian Castaneda 

A member of the media takes a picture of a pre-Incan mummy unearthed at the Cajamarquilla archaeological site and believed to be between 800 and 1,200 years old, at the Universidad Nacional Mayor de San Marcos, in Lima, Peru February 22, 2022. REUTERS/Sebastian Castaneda 

French archaeologists prepare unearthed pottery to be taken to laboratory to examine the findings known to be from the Dadan and Lihyan Kingdoms dated back to the second half of the first millennium BC, in Al-Ula, Saudi Arabia October 30, 2021. Picture taken October 30, 2021. REUTERS/Ahmed Yosri 

Archeologists work at a site where artifacts and human remains dating back to pre-Hispanic times were found underneath a street during an infrastructure project, in Lima, Peru October 29, 2021. REUTERS/Sebastian Castaneda 

Artifacts are seen at a site where artifacts and human remains dating back to pre-Hispanic times were founded underneath a street during an infrastructure project, in Lima, Peru October 29, 2021. REUTERS/Sebastian Castaneda 

Artifacts are seen at a site where artifacts and human remains dating back to pre-Hispanic times were founded underneath a street during an infrastructure project, in Lima, Peru October 29, 2021. REUTERS/Sebastian Castaneda 

An archeologist prepares to bag an artifact at a site where artifacts and human remains dating back to pre-Hispanic times were found underneath a street during an infrastructure project, in Lima, Peru October 29, 2021. REUTERS/Sebastian Castaneda 

Archeologists work at a site where artifacts and human remains dating back to pre-Hispanic times were found underneath a street during an infrastructure project, in Lima, Peru October 29, 2021. REUTERS/Sebastian Castaneda 

Horst Kreuter, co-founder of Vulcan Energy Resources, poses for a picture in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

An employee of Vulcan Energy Resources works on a sample of geothermal water in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A company logo of Zeiss is pictured at the Zeiss Innovation Hub in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

An employee of Vulcan Energy Resources works on a sample of geothermal water in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

Horst Kreuter, co-founder of Vulcan Energy Resources poses for a picture in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

An employee of Vulcan Energy Resources works on a sample of geothermal water in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

An employee of Vulcan Energy Resources works on a laboratory sample of lithium chloride in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

Katharina Gerber, product manager of Vulcan Energy Resources, works on a sample of geothermal water in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

Katharina Gerber, product manager of Vulcan Energy Resources, works on a sample of geothermal water in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A general view of the Zeiss Innovation Hub in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

Thomas Koelbel, project manager of German power supplier EnBW Energie Baden Wuerttemberg AG for the installation of a pilot facility for lithium extraction at an EnBW geothermal power station, poses for a picture in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, is pictured in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A general view of the Zeiss Innovation Hub in Eggenstein near Karlsruhe, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

Jochen Kolb, research director of the Karlsruhe Institute of Technology (KIT), poses for a picture at a geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

Thomas Koelbel, project manager of German power supplier EnBW Energie Baden Wuerttemberg AG for the installation of a pilot facility for lithium extraction at an EnBW geothermal power station, poses for a picture in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A pipe flange, provided for a pilot facility for lithium extraction, is pictured at a geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

Geothermal water is seen through a sight glass at a pipeline system of a geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A pipeline system of a geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, is pictured in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

An exit pipe of a deep drilling is pictured at a geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

Geothermal water is seen through a sight glass at a pipeline system of a geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

Geothermal water is seen through a sight glass at a pipeline system of a geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A pipeline system of a geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, is pictured in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, is pictured in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, is pictured in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A geothermal power station of German power supplier EnBW Energie Baden Wuerttemberg AG, where a pilot facility for lithium extraction will be built, is pictured in Bruchsal, Germany, April 23, 2021. Picture taken April 23, 2021. REUTERS/Ralph Orlowski 

A man looks at animal skeletal remains at the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

People look at unearthed archeological findings at the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

A man looks at skeletal human remains at the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh TPX IMAGES OF THE DAY 

A man looks at skeletal human remains at the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

A man stands at the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

Skeletal human remains are seen the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

Unearthed pots are seen the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

Animal skeletal remains are seen the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

A man walks at the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

A view of the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

A man holds an unearthed pot at the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

Unearthed pots are seen at the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

A person holds an unearthed pot at the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh 

Two people hold an unearthed object at the site of the 'Lost Golden City', which was recently discovered by archaeologists, in the West Bank of Luxor, Upper Egypt, April 10, 2021. REUTERS/Amr Abdallah Dalsh