A labourer stands on a portable lift as he injects a type of grout into gaps and fissures in the stones of the Western Wall, Judaism's holiest prayer site, as part of the Israel Antiquities Authority treatment of the ancient stones, in Jerusalem's Old City February 23, 2021. REUTERS/Ilan Rosenberg

Ultra-Orthodox Jewish men, some covered in prayer shawls, are seen through a part of a partitioned area, placed for worshippers to adhere to the coronavirus disease (COVID-19) restrictions, as they pray in front of the Western Wall, Judaism's holiest prayer site, in Jerusalem's Old City February 23, 2021. REUTERS/Ronen Zvulun

Ultra-Orthodox Jewish boys play as men pray in front of the Western Wall, Judaism's holiest prayer site, in Jerusalem's Old City February 23, 2021. REUTERS/Ronen Zvulun

Ultra-Orthodox Jewish boys play as men pray in front of the Western Wall, Judaism's holiest prayer site, in Jerusalem's Old City February 23, 2021. REUTERS/Ronen Zvulun

A labourer stands on a portable lift as he injects a type of grout into the gaps and fissures in the stones of the Western Wall, Judaism's holiest prayer site, as part of the Israel Antiquities Authority treatment of the ancient stones, in Jerusalem's Old City February 23, 2021. REUTERS/Ronen Zvulun

A labourer stands on a portable lift as he injects a type of grout into the gaps and fissures in the stones of the Western Wall, Judaism's holiest prayer site, as part of the Israel Antiquities Authority treatment of the ancient stones, in Jerusalem's Old City February 23, 2021. REUTERS/Ronen Zvulun

A labourer injects a type of grout into the gaps and fissures in the stones of the Western Wall, Judaism's holiest prayer site, as part of the Israel Antiquities Authority treatment of the ancient stones, in Jerusalem's Old City February 23, 2021. REUTERS/Ronen Zvulun

People make their way as the Parthenon temple is seen atop the Acropolis hill archaeological site during a heavy snowfall in Athens, Greece, February 16, 2021. REUTERS/Alkis Konstantinidis

People make their way on the snow-covered Areopagitou pedestrian street under the Acropolis hill archaeological site during heavy snowfall in Athens, Greece, February 16, 2021. REUTERS/Alkis Konstantinidis

Two men jog as the Parthenon temple is seen atop the Acropolis hill archaeological site during a heavy snowfall in Athens, Greece, February 16, 2021. REUTERS/Alkis Konstantinidis TPX IMAGES OF THE DAY

A view of the Parthenon temple atop the Acropolis hill archaeological site during a heavy snowfall in Athens, Greece, February 16, 2021. REUTERS/Costas Baltas

People make their way as the Parthenon temple is seen atop the Acropolis hill archaeological site during a heavy snowfall in Athens, Greece, February 16, 2021. REUTERS/Costas Baltas

General view of the snow-covered archaeological site of the Temple of Zeus during heavy snowfall in Athens, Greece, February 16, 2021. REUTERS/Costas Baltas

A man wearing a protective face mask makes his way as the Parthenon temple is seen atop the Acropolis hill archaeological site during a heavy snowfall in Athens, Greece, February 16, 2021. REUTERS/Alkis Konstantinidis

A man rides his bike as the Parthenon temple is seen atop the Acropolis hill archaeological site during a heavy snowfall in Athens, Greece, February 16, 2021. REUTERS/Alkis Konstantinidis

The Parthenon temple is seen atop the Acropolis hill archaeological site during a heavy snowfall in Athens, Greece, February 16, 2021. Picture taken with a drone. REUTERS/Alkis Konstantinidis

The Parthenon temple is seen atop the Acropolis hill archaeological site during a heavy snowfall in Athens, Greece, February 16, 2021. Picture taken with a drone. REUTERS/Alkis Konstantinidis

The Parthenon temple is seen atop the Acropolis hill archaeological site during a heavy snowfall in Athens, Greece, February 16, 2021. Picture taken with a drone. REUTERS/Alkis Konstantinidis

Undated image shows archaeologists discover a 5000-year-old mass production brewery in the ancient city of Abydos at Sohag Governorate in Egypt, in this image released on February 13, 2021 by Joint Egyptian-American Archaeology Mission Handout via Egypt's Ministry of Antiquities. The Egyptian Ministry of Antiquities/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY

Undated image shows archaeologists discover a 5000-year-old mass production brewery in the ancient city of Abydos at Sohag Governorate in Egypt, in this image released on February 13, 2021 by Joint Egyptian-American Archaeology Mission Handout via Egypt's Ministry of Antiquities. The Egyptian Ministry of Antiquities/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY

Undated image shows archaeologists discover a 5000-year-old mass production brewery in the ancient city of Abydos at Sohag Governorate in Egypt, in this image released on February 13, 2021 by Joint Egyptian-American Archaeology Mission Handout via Egypt's Ministry of Antiquities. The Egyptian Ministry of Antiquities/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY

People watch as archaeologists and workers excavate at Roman archaeological site discovered during works to install a water drainage system, in downtown Amman, Jordan, December 27, 2020. Picture taken December 27, 2020. REUTERS/Muhammad Hamed

Archaeologists and workers excavate at a Roman archaeological site discovered during works to install a water drainage system, in downtown Amman, Jordan, December 27, 2020. Picture taken December 27, 2020. REUTERS/Muhammad Hamed

Archaeologists and workers excavate at a Roman archaeological site discovered during works to install a water drainage system, in downtown Amman, Jordan, December 27, 2020. Picture taken December 27, 2020. REUTERS/Muhammad Hamed

An archaeologist excavates at a Roman archaeological site discovered during works to install a water drainage system, in downtown Amman, Jordan, December 27, 2020. Picture taken December 27, 2020. REUTERS/Muhammad Hamed

Ruins of a Roman archaeological site discovered during works to install a water drainage system, are seen in downtown Amman, Jordan, December 27, 2020. Picture taken December 27, 2020. REUTERS/Muhammad Hamed

Archaeologists and workers excavate at a Roman archaeological site discovered during works to install a water drainage system, in downtown Amman, Jordan, December 27, 2020. Picture taken December 27, 2020. REUTERS/Muhammad Hamed

A worker excavates at a Roman archaeological site discovered during works to install a water drainage system, in downtown Amman, Jordan, December 27, 2020. Picture taken December 27, 2020. REUTERS/Muhammad Hamed

Archaeologists and workers excavate at a Roman archaeological site discovered during works to install a water drainage system, in downtown Amman, Jordan December 27, 2020. Picture taken December 27, 2020. REUTERS/Muhammad Hamed

Fr. Francesco Patton, Custos of the Holy Land (L) and Amit Re'em, Jerusalem District Archaeologist for the Israel Antiquities Authority (R), show a 2000-year-old ritual bath discovered in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

Fr. Francesco Patton, Custos of the Holy Land (L) and Amit Re'em, Jerusalem District Archaeologist for the Israel Antiquities Authority (R), show the remains of a previously unknown church that was founded at the end of the Byzantine period at the Garden of Gethsemane church in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

A view of a 2000-year-old ritual bath discovered in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

A view of a 2000-year-old ritual bath discovered in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

A view shows the remains of a previously unknown church that was founded at the end of the Byzantine period at the Garden of Gethsemane church, in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

Israeli archaeologist David Yeger from the Israel Antiquities Authority, shows the remains of a previously unknown church that was founded at the end of the Byzantine period at the Garden of Gethsemane church in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

A view shows the remains of a previously unknown church that was founded at the end of the Byzantine period and a 2000-year-old ritual bath discovered at the Garden of Gethsemane church, in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

A view shows the remains of a previously unknown church that was founded at the end of the Byzantine period and a 2000-year-old ritual bath discovered at the Garden of Gethsemane church, in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

Fr. Francesco Patton, Custos of the Holy Land shows the remains of a previously unknown church that was founded at the end of the Byzantine period at the Garden of Gethsemane church in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

Fr. Francesco Patton, Custos of the Holy Land shows the remains of a previously unknown church that was founded at the end of the Byzantine period at the Garden of Gethsemane church in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

A view shows the remains of a previously unknown church that was founded at the end of the Byzantine period and a 2000-year-old ritual bath discovered in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

A view shows the remains of a previously unknown church that was founded at the end of the Byzantine period and a 2000-year-old ritual bath discovered at the site dates from the time of Jesus's presence in Jerusalem at the Garden of Gethsemane church in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

Fr. Francesco Patton, Custos of the Holy Land, shows a 2000-year-old ritual bath discovered at the site dating from the time of Jesus's presence in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

Fr. Francesco Patton, Custos of the Holy Land, shows a 2000-year-old ritual bath discovered at the site dating from the time of Jesus's presence in Jerusalem, December 21, 2020. Atef Safadi/Pool via REUTERS

View of a new path next to the Parthenon Temple, following the restoration of the Acropolis archaeological site in order to become fully accessible to people with disabilities and mobility issues, during the International Day of Persons with Disabilities, in Athens, Greece, December 3, 2020. Louisa Gouliamaki/Pool via REUTERS

Greek Prime Minister Kyriakos Mitsotakis and Culture Minister Lina Mendoni stand in front of a new elevator, following the restoration of the Acropolis archaeological site in order to become fully accessible to people with disabilities and mobility issues, during the International Day of Persons with Disabilities, in Athens, Greece, December 3, 2020. Louisa Gouliamaki/Pool via REUTERS

Greek Prime Minister Kyriakos Mitsotakis and Culture Minister Lina Mendoni stand on a new path in front of the Parthenon Temple, following the restoration of the Acropolis archaeological site in order to become fully accessible to people with disabilities and mobility issues, during the International Day of Persons with Disabilities, in Athens, Greece, December 3, 2020. Louisa Gouliamaki/Pool via REUTERS

People make their way on a new path next to the Parthenon Temple, following the restoration of the Acropolis archaeological site in order to become fully accessible to people with disabilities and mobility issues, during the International Day of Persons with Disabilities, in Athens, Greece, December 3, 2020. Louisa Gouliamaki/Pool via REUTERS

A cat stands in front of a new elevator, following the restoration of the Acropolis archaeological site in order to become fully accessible to people with disabilities and mobility issues, during the International Day of Persons with Disabilities, in Athens, Greece, December 3, 2020. Louisa Gouliamaki/Pool via REUTERS

A cat makes her way on a new path in front of the Parthenon Temple, following the restoration of the Acropolis archaeological site in order to become fully accessible to people with disabilities and mobility issues, during the International Day of Persons with Disabilities, in Athens, Greece, December 3, 2020. Louisa Gouliamaki/Pool via REUTERS

Sarcophaguses that are around 2500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, are seen during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany

Sarcophaguses that are around 2500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, are seen during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany

Sarcophaguses that are around 2500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, are seen during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany

An artifact, around 2,500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, is seen during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany

A sarcophagus that is around 2500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, is seen during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany

Sarcophaguses that are around 2500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, are seen during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany

An archaeologist works on an a sarcophagus, around 2,500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany

Sarcophaguses that are around 2500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, are seen during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany

Sarcophaguses that are around 2500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, are seen during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany

An archaeologist works on an artifact, around 2,500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany

An archaeologist works on an artifact, around 2,500 years old, from the newly discovered burial site near Egypt's Saqqara necropolis, during a presentation in Giza, Egypt November 14, 2020. REUTERS/Mohamed Abd El Ghany