Medical workers analyse a test vial at a laboratory of the San Filippo Neri hospital, to check for the coronavirus disease (COVID-19), in Rome, Italy, May 7, 2020. REUTERS/Yara Nardi

Medical workers analyse a test vial at a laboratory of the San Filippo Neri hospital, to check for the coronavirus disease (COVID-19), in Rome, Italy, May 7, 2020. REUTERS/Yara Nardi

A medical worker analyses swabs in a laboratory of the San Filippo Neri hospital, to check for the coronavirus disease (COVID-19), in Rome, Italy, May 7, 2020. REUTERS/Yara Nardi

Medical workers analyse a test vial at a laboratory of the San Filippo Neri hospital, to check for the coronavirus disease (COVID-19), in Rome, Italy, May 7, 2020. REUTERS/Yara Nardi

A medical worker analyses swabs in a laboratory of the San Filippo Neri hospital, to check for the coronavirus disease (COVID-19), in Rome, Italy, May 7, 2020. REUTERS/Yara Nardi

A medical worker analyses swabs in a laboratory of the San Filippo Neri hospital, to check for the coronavirus disease (COVID-19), in Rome, Italy, May 7, 2020. REUTERS/Yara Nardi

A medical worker analyses swabs in a laboratory of the San Filippo Neri hospital, to check for the coronavirus disease (COVID-19), in Rome, Italy, May 7, 2020. REUTERS/Yara Nardi

A medical worker analyses swabs in a laboratory of the San Filippo Neri hospital, to check for the coronavirus disease (COVID-19), in Rome, Italy, May 7, 2020. REUTERS/Yara Nardi

A medical worker analyses swabs in a laboratory of the San Filippo Neri hospital, to check for the coronavirus disease (COVID-19), in Rome, Italy, May 7, 2020. REUTERS/Yara Nardi

Doctors extract DNA from the samples while analysing them to ensure they are not infected with the coronavirus disease (COVID-19), inside Benghazi Medical Center in Benghazi, Libya April 22, 2020 REUTERS/Esam Omran Al-Fetori

A doctor prepares operating materials for samples before analysing them to ensure they are not infected with the coronavirus disease (COVID-19), inside Benghazi Medical Center in Benghazi, Libya April 22, 2020 REUTERS/Esam Omran Al-Fetori

Doctors sort samples before analysing them to ensure they are not infected with the coronavirus disease (COVID-19), inside Benghazi Medical Center in Benghazi, Libya April 22, 2020 REUTERS/Esam Omran Al-Fetori

A doctor sorts samples before analysing them to ensure they are not infected with the coronavirus disease (COVID-19), inside Benghazi Medical Center in Benghazi, Libya April 22, 2020 REUTERS/Esam Omran Al-Fetori

A doctor sorts samples before analysing them to ensure they are not infected with the coronavirus disease (COVID-19), inside Benghazi Medical Center in Benghazi, Libya April 22, 2020 REUTERS/Esam Omran Al-Fetori

An employee uses a precious metals analyser on gold bars at AGR (African Gold Refinery) in Entebbe, Uganda, October 4, 2018. Picture taken October 4, 2018. To match Insight AFRICA-GOLD/REFINERIES REUTERS/Baz Ratner

Japanese Ambassador to Vietnam Kunio Umeda (2nd L) and Vietnamese Deputy Minister of Defence Nguyen Chi Vinh (2nd R) sign an agreement to provide fund for Dioxin analysing equipment as Japan's Foreign Minister Toshimitsu Motegi (3rd L) and Vietnam's Deputy Prime Minister and Foreign Minister Pham Binh Minh (3rd R) look on, at the Government Guesthouse in Hanoi, Vietnam January 6, 2020. REUTERS/Kham/Pool

Mariela, an infectious disease specialist intern, analyses an X-ray of 24-year-old patient Jorge, who is currently undergoing treatment for tuberculosis, in Buenos Aires, Argentina, January 29, 2019. Cases of the "white death" illness, closely linked to poverty, malnutrition and poor housing, have been on the rise since the turn of the decade as Latin America's third largest economy has grappled with repeat recessions and inflation. REUTERS/Magali Druscovich SEARCH "ARGENTINA TB" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

An ice core from Gepatschferner glacier sticks out the core barrel on Weissseespitze summit at 3,500 meters above sea level near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner

Environmental physicist Pascal Bohleber from the Austrian Institute for Interdisciplinary Mountain Research, digs out a cooling box from the snow on Gepatschferner glacier at Weissseespitze summit at 3,500 meters above sea level near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner

Cooling boxes with ice cores wait for transport on Gepatschferner glacier at Weissseespitze summit at 3,500 meters above sea level near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner

Scientists work next to the drilling tent on Gepatschferner glacier at Weissseespitze summit at 3,500 meters above sea level near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner

The Core barrel and chips barrel of an ice drill lie next to the drill hole on Gepatschferner glacier at Weissseespitze summit at 3,500 meters above sea level near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner

Glaciologists Martin Stocker-Waldhuber and Bernd Seiser from the Austrian Institute for Interdisciplinary Mountain Research, make notes as they set a survey point on Gepatschferner glacier at Weissseespitze summit at 3,500 meters above sea level near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner

Glaciologists Martin Stocker-Waldhuber and Bernd Seiser, from the Austrian Institute for Interdisciplinary Mountain Research, make their way with skis to set survey points on Gepatschferner glacier at Weissseespitze summit at 3,500 meters above sea level near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner

Glaciologists Andrea Fischer and Bernd Seiser, from the Austrian Institute for Interdisciplinary Mountain Research, dig a pit for ice drilling on Gepatschferner glacier at Weissseespitze summit at 3,500 meters above sea level near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner

An ice core of Gepatschferner glacier waits to be numbered and wrapped at Weissseespitze summit at over 3,500 meters above sea level, near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner SEARCH "AUSTRIA GLACIERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A copilot controls helicopter transportation of gear after an ice drilling run at Gepatschferner glacier at Weissseespitze summit at over 3,500 meters above sea level, near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner SEARCH "AUSTRIA GLACIERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Scientists work next to the drilling tent at Gepatschferner glacier at Weissseespitze summit at over 3,500 meters above sea level, near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner SEARCH "AUSTRIA GLACIERS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A gas analyser is seen at Lake Tornetrask near the village of Abisko, Sweden, August 1, 2019. Picture taken August 1, 2019. REUTERS/Hannah McKay

Body language experts analyse the meeting between Donald Trump and Kim Jong Un on Wednesday. embed code and instructions: https://reut.rs/2U7advy

Body language experts analyse the meeting between Donald Trump and Kim Jong Un on Wednesday. embed code and instructions: https://reut.rs/2U7advy

Graphique présentant les compositions actuelle et prévisionnelle du parlement européen suite aux élections 2019 selon l’analyse de sondages au 6 février.

Cartes présentant l'évolution du contrôle du territoire en Syrie entre janvier 2015 et janvier 2019 d'après l'analyse du Carter Center

Map showing the locations of the 39 Muslim camps in China's Xinjiang region that Reuters analysed.

Diagrams showing the footprint of the 39 Muslims camps that Reuters analysed.

Charts showing the growth of individual camps among the 39 Muslim camps in China's Xinjiang region that Reuters analysed and the change of the total area they cover since April 2017.

Diagrams showing the growth of different types of building among the 39 camps in Xinjiang that Reuters analysed since April 2017.

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer leaves after attending a news conference after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer attends a news conference after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer gestures as he speaks to the media after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer reacts as he speaks to the media after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer gestures as he speaks to the media after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer gestures as he speaks to the media after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer gestures as he speaks to the media after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer gestures as he speaks to the media after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer attends a news conference after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer attends a news conference after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer speaks to the media after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer arrives for a news conference after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer speaks to the media after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer arrives for a news conference after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer reacts before a news conference after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

German Interior Minister and Christian Social Union (CSU) leader Horst Seehofer speaks to the media after Bavaria election loss, in Berlin, Germany, October 16, 2018. REUTERS/Michele Tantussi

UPDATE Contrôle au 19 décembre 2018. Zones ou` ope`re actuellement l’Etat islamique (EI), selon l’analyse de son activite´ du 1er janvier au 1er octobre 2018 par l’Institut pour l’e´tude de la guerre.

Hannes Peter of the Alpine and Polar Environment Research Center (Alpole) from the Ecole Polytechnique Federale de Lausanne (EPFL) and a colleague perform analyses after collecting microorganisms from a stream to extract their DNA to better understand how they have adapted to their extreme environment, near the Rhone Glacier in Furka, Switzerland, September 13, 2018. REUTERS/Denis Balibouse

Le dirigeant nord-coréen et le président américain se sont rencontrés lors d'un sommet historique à Singapour. Reuters a fait appel à une spécialiste du langage corporel pour analyser les mouvements de Kim et de Trump lors de leur rencontre. embed code and instructions: https://reut.rs/2ybx3M6

Black soldier flies are held in a pen at the Enterra Feed Corporation in Langley, British Columbia, Canada, March 14, 2018. Picture taken March 14, 2018. REUTERS/Ben Nelms

Black soldier flies are held in a pen at the Enterra Feed Corporation in Langley, British Columbia, Canada, March 14, 2018. Picture taken March 14, 2018. REUTERS/Ben Nelms

UPDATE Analyse au 24 juillet 2019. Carte localisant les centrales nucléaires japonaises et présentant l’état de leurs différents réacteurs

Containers of sprouted canola seed sit in the double haploid/pathology lab of Monsanto Canada's plant breeding centre, where researchers are attempting to develop a clubroot-resistant canola variety, in Winnipeg, Manitoba, Canada February 12, 2018. Picture taken February 12, 2018. REUTERS/Shannon VanRaes