Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Germany's Julia Gorges in action during her match against Latvia's Anastasija Sevastova REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Germany's Julia Gorges in action during her match against Latvia's Anastasija Sevastova REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Germany's Julia Gorges in action during her match against Latvia's Anastasija Sevastova REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Germany's Julia Gorges during her match against Latvia's Anastasija Sevastova REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Latvia's Anastasija Sevastova in action during her match against Germany's Julia Gorges REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Latvia's Anastasija Sevastova in action during her match against Germany's Julia Gorges REUTERS/Hannibal Hanschke

A man wearing a protective face mask, used as a preventive measure against the coronavirus disease (COVID-19), walks past a dummy skull placed in a shop window in central Kyiv, Ukraine July 13, 2020. REUTERS/Gleb Garanich

A man wearing a protective face mask, used as a preventive measure against the coronavirus disease (COVID-19), walks past a dummy skull placed in a shop window in central Kyiv, Ukraine July 13, 2020. REUTERS/Gleb Garanich

People wearing protective masks walk past a mural of Bollywood actor Amitabh Bachchan, after he and other members of his family tested positive for the coronavirus disease (COVID-19) in Mumbai, India, July 13, 2020. REUTERS/Francis Mascarenhas

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Latvia's Anastasija Sevastova in action during her match against Germany's Julia Gorges REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 A disinfection machine is pictured at the entrance REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Latvia's Anastasija Sevastova in action during her match against Germany's Julia Gorges REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Germany's Julia Gorges in action during her match against Latvia's Anastasija Sevastova REUTERS/Hannibal Hanschke

A wreckage of a rickshaw and a car destroyed are seen at the scene of an explosion in Mogadishu, Somalia July 13, 2020. REUTERS/Feisal Omar

Somali security officers assess the wreckage of a car destroyed at the scene of an explosion in Mogadishu, Somalia July 13, 2020. REUTERS/Feisal Omar

Somali security officers assess the wreckage of a car destroyed at the scene of an explosion in Mogadishu, Somalia July 13, 2020. REUTERS/Feisal Omar

Rachel Levine poses outside her apartment in the Manhattan borough of New York City, New York, U.S., July 9, 2020. REUTERS/Shannon Stapleton REFILE - CORRECTING SURNAME

Rachel Levine poses outside her apartment in the Manhattan borough of New York City, New York, U.S., July 9, 2020. REUTERS/Shannon Stapleton REFILE - CORRECTING SURNAME

Rachel Levine poses outside her apartment in the Manhattan borough of New York City, New York, U.S., July 9, 2020. REUTERS/Shannon Stapleton REFILE - CORRECTING SURNAME

Rachel Levine poses outside her apartment in the Manhattan borough of New York City, New York, U.S., July 9, 2020. REUTERS/Shannon Stapleton REFILE - CORRECTING SURNAME

Somali security officers are seen at the scene of an explosion in Mogadishu, Somalia July 13, 2020. REUTERS/Feisal Omar

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Germany's Julia Gorges in action during her match against Latvia's Anastasija Sevastova REUTERS/Hannibal Hanschke

En 2019, il y a eu près de 8.500 attaques terroristes dans le monde, qui ont fait plus de 20.300 morts, dont 5.460 auteurs et 14.840 victimes.

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Latvia's Anastasija Sevastova in action during her match against Germany's Julia Gorges REUTERS/Hannibal Hanschke

Policemen wearing protective face masks detain a participant of a picket in support of Ivan Safronov, a former journalist and an aide to the head of Russia's space agency Roscosmos, who remains in custody on state treason charges, in Moscow, Russia July 13, 2020. REUTERS/Evgenia Novozhenina

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Latvia's Anastasija Sevastova in action during her match against Germany's Julia Gorges REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Germany's Julia Gorges during her match against Latvia's Anastasija Sevastova REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Germany's Julia Gorges during her match against Latvia's Anastasija Sevastova REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Germany's Julia Gorges in action during her match against Latvia's Anastasija Sevastova REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Germany's Julia Gorges in action during her match against Latvia's Anastasija Sevastova REUTERS/Hannibal Hanschke

Customers wearing face masks are seen at a ham shop, after a judge barred Catalan authorities from enforcing a stricter lockdown to residents in the city of Lleida, to control the coronavirus disease (COVID-19) outbreak, in Lleida, Spain, July 13, 2020. REUTERS/Nacho Doce

A tourist wearing a mask sits at Caes de Sodre, amid the coronavirus disease (COVID-19) outbreak, in Lisbon, Portugal July 13, 2020. REUTERS/Rafael Marchante

Tourists sunbathe at Caes de Sodre, amid the coronavirus disease (COVID-19) outbreak, in Lisbon, Portugal July 13, 2020. REUTERS/Rafael Marchante

A woman wearing a face mask prays inside a church after a judge barred Catalan authorities from enforcing a stricter lockdown to residents in the city of Lleida, to control the coronavirus disease (COVID-19) outbreak, in Lleida, Spain, July 13, 2020. REUTERS/Nacho Doce

A health worker in personal protective equipment (PPE) checks the temperature of a resident with an electronic thermometer during a check up campaign for the coronavirus disease (COVID-19), in Mumbai, India, July 13, 2020. REUTERS/Francis Mascarenhas

A boy watches a health worker in personal protective equipment (PPE) as she walks past a house during a check up campaign for the coronavirus disease (COVID-19), in Mumbai, India, July 13, 2020. REUTERS/Francis Mascarenhas TPX IMAGES OF THE DAY

People talk on the street after a judge barred Catalan authorities from enforcing a stricter lockdown to residents in the city of Lleida, to control the coronavirus disease (COVID-19) outbreak, in Lleida, Spain, July 13, 2020. REUTERS/Nacho Doce

A worker is seen at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, as they make personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

A worker inspects a plane part made at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, as they make personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

Workers sort through N95 masks, made at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

A worker sorts through N95 masks, made at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

A worker inspects a plane part made at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, as they make personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

A worker cleans a part of a plane made at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, as they make personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

A worker is seen at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, start making personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

A worker details a plane part made at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, as they make personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

A worker cleans a part of a plane made at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, as they make personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

A worker is seen at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, as they make personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

Workers sort through N95 masks, made at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

A worker cleans a part of a plane made at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, as they make personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

Workers are seen at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, as they make personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

A worker walks at the Strata Manufacturing facility, an Emirati factory producing parts for Airbus and Boeing jets, as they make personal protective equipment such as N95 masks, due to shortages of protective gear in some countries after the coronavirus disease (COVID-19) outbreak, in Al Ain, United Arab Emirates, July 8, 2020. Picture taken July 8, 2020. REUTERS/Satish Kumar

European Commissioner for Home Affairs Ylva Johansson talks during a video news conference at the EU headquarters in Brussels, Belgium July 13, 2020. Francisco Seco/Pool via REUTERS

People sit at a bar after a judge barred Catalan authorities from enforcing a stricter lockdown to residents in the city of Lleida, to control the coronavirus disease (COVID-19) outbreak, in Lleida, Spain, July 13, 2020. REUTERS/Nacho Doce

A woman wearing a face mask walks past a closed shop after a judge barred Catalan authorities from enforcing a stricter lockdown to residents in the city of Lleida, to control the coronavirus disease (COVID-19) outbreak, in Lleida, Spain, July 13, 2020. REUTERS/Nacho Doce

A woman wearing a face mask talks on the phone as she walks after a judge barred Catalan authorities from enforcing a stricter lockdown to residents in the city of Lleida, to control the coronavirus disease (COVID-19) outbreak, in Lleida, Spain, July 13, 2020. REUTERS/Nacho Doce

Policemen wearing protective face masks detain a participant of a picket in support of Ivan Safronov, a former journalist and an aide to the head of Russia's space agency Roscosmos, who remains in custody on state treason charges, in Moscow, Russia July 13, 2020. REUTERS/Evgenia Novozhenina

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Spain's Roberto Bautista Agut with Germany's Jan-Lennard Struff after winning their match REUTERS/Hannibal Hanschke

Tennis - bett1ACES exhibition tournament - Steffi Graf Stadium, Berlin, Germany - July 13, 2020 Spain's Roberto Bautista Agut celebrates after winning his match against Germany's Jan-Lennard Struff REUTERS/Hannibal Hanschke

A woman wearing a face mask walks past a closed shop after a judge barred Catalan authorities from enforcing a stricter lockdown to residents in the city of Lleida, to control the coronavirus disease (COVID-19) outbreak, in Lleida, Spain, July 13, 2020. REUTERS/Nacho Doce

Smoke rises from a fire onboard the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, California, U.S. July 12, 2020. REUTERS/Bing Guan TPX IMAGES OF THE DAY