Carme Artigas, head of Spain's state digital and artificial intelligence unit, poses holding a mobile phone with the Radar Covid app before an interview with Reuters in Madrid, September 16, 2020. REUTERS/Sergio Perez

Carme Artigas, head of Spain's state digital and artificial intelligence unit, poses holding a mobile phone with the Radar Covid app before an interview with Reuters in Madrid, September 16, 2020. REUTERS/Sergio Perez

Carme Artigas, head of Spain's state digital and artificial intelligence unit, poses holding a mobile phone with the Radar Covid app before an interview with Reuters in Madrid, September 16, 2020. REUTERS/Sergio Perez

A Skyguide staff sits in front of a radar during a media visit to the newly built control tower of the military and civil airport in Payerne, Switzerland August 13, 2020. REUTERS/Denis Balibouse

An Ecuadorian navy officer looks at a radar after a fishing fleet of mostly Chinese-flagged ships was detected in an international corridor that borders the Galapagos Islands' exclusive economic zone, in the Pacific Ocean, August 7, 2020. Picture taken August 7, 2020. REUTERS/Santiago Arcos

An Ecuadorian navy officer looks at a radar after a fishing fleet of mostly Chinese-flagged ships was detected in an international corridor that borders the Galapagos Islands' exclusive economic zone, in the Pacific Ocean, August 7, 2020. Picture taken August 7, 2020. REUTERS/Santiago Arcos

An Ecuadorian navy officer looks at a radar after a fishing fleet of mostly Chinese-flagged ships was detected in an international corridor that borders the Galapagos Islands' exclusive economic zone, in the Pacific Ocean, August 7, 2020. Picture taken August 7, 2020. REUTERS/Santiago Arcos

The village of Spangdahlem and radar towers of the U.S. Spangdahlem Air Base are seen through a fence in the Eifel region near Bitburg, western Germany, July 30, 2020. REUTERS/Wolfgang Rattay

Radar towers of the U.S. Spangdahlem Air Base are seen near the village of Spangdahlem, near Bitburg, western Germany, July 30, 2020. REUTERS/Wolfgang Rattay

General view shows Santa Maria di Falerii, former Cistercian abbey in Falerii Novi, after researchers announced they were able to map the entire ancient Roman city using ground-penetrating radar (GPR) technology, near Rome, Italy, June 9, 2020. REUTERS/Yara Nardi

General view shows Santa Maria di Falerii, former Cistercian abbey in Falerii Novi, after researchers announced they were able to map the entire ancient Roman city using ground-penetrating radar (GPR) technology, near Rome, Italy, June 9, 2020. REUTERS/Yara Nardi

The detail of Porta di Giove, the main entrance to the ancient Roman city of Falerii Novi, which is mostly buried underground, is seen after researchers announced they were able to map the entire city using ground-penetrating radar (GPR) technology, near Rome, Italy, June 9, 2020. REUTERS/Yara Nardi

Porta di Giove, the main entrance to the ancient Roman city of Falerii Novi, which is mostly buried underground, are seen after researchers announced they were able to map the entire city using ground-penetrating radar (GPR) technology, near Rome, Italy, June 9, 2020. REUTERS/Yara Nardi

Porta di Giove, the main entrance to the ancient Roman city of Falerii Novi, which is mostly buried underground, are seen after researchers announced they were able to map the entire city using ground-penetrating radar (GPR) technology, near Rome, Italy, June 9, 2020. REUTERS/Yara Nardi

History passionate Raniero Pedica shows a map of the Ancient Roman city of Falerii Novi, which is mostly buried underground after researchers announced they were able to map the entire city using ground-penetrating radar (GPR) technology, near Rome, Italy, June 9, 2020. REUTERS/Yara Nardi

A view shows the remains of the ancient Roman city of Falerii Novi, which is mostly buried underground, after researchers announced they were able to map the entire city using ground-penetrating radar (GPR) technology, near Rome, Italy, June 9, 2020. REUTERS/Yara Nardi

A view shows the remains of the ancient Roman city of Falerii Novi, which is mostly buried underground, after researchers announced they were able to map the entire city using ground-penetrating radar (GPR) technology, near Rome, Italy, June 9, 2020. REUTERS/Yara Nardi

A view shows the remains of the ancient Roman city of Falerii Novi, which is mostly buried underground, after researchers announced they were able to map the entire city using ground-penetrating radar (GPR) technology, near Rome, Italy, June 9, 2020. REUTERS/Yara Nardi

A view shows the remains of the ancient Roman city of Falerii Novi, which is mostly buried underground, after researchers announced they were able to map the entire city using ground-penetrating radar (GPR) technology, near Rome, Italy, June 9, 2020. REUTERS/Yara Nardi

A man wearing a face mask is seen in front of a radar tower at Hongqiao International Airport in Shanghai, following the coronavirus disease (COVID-19) outbreak, China May 19, 2020. REUTERS/Aly Song

Radar sensors are shown own a Hyundai electric vehicle as self driving company Pony.ai begins to provide autonomous electric vehicles to deliver packages from local e-commerce platform Yamibuy during the outbreak of the coronavirus disease (COVID-19) in Irvine, California, U.S., April 28, 2020. REUTERS/Mike Blake

Father Abbot Abibos turns on the radar in the wheelhouse. A boat intended as a mobile Georgian Orthodox monastery, featuring a chapel decorated with wall frescos, has been at anchor in the Dutch harbour town of Vlissingen for two years while being refurbished. The monastery expects to set sail from Vlissingen in spring, to visit Georgian communities around Europe, Vlissingen, Netherlands December 30, 2019. Picture taken December 30, 2019. REUTERS/Piroschka van de Wouw REFILE - CORRECTING NAME

A radar 75/10 of the Swiss Army is displayed during the presentation of the defence system ahead of the Refugees Forum at the United Nations, near Lake Geneva, Switzerland, December 16, 2019. REUTERS/Denis Balibouse

A radar 75/10 and a cannon 63/12 of the Swiss Army are displayed during the presentation of the defence system ahead of the Refugees Forum at the United Nations, near Lake Geneva, Switzerland, December 16, 2019. REUTERS/Denis Balibouse

A radar 75/10 and a cannon 63/12 of the Swiss Army are displayed during the presentation of the defence system ahead of the Refugees Forum at the United Nations, near Lake Geneva, Switzerland, December 16, 2019. REUTERS/Denis Balibouse

A radar 75/10 and a cannon 63/12 of the Swiss Army are displayed during the presentation of the defence system ahead of the Refugees Forum at the United Nations, near Lake Geneva, Switzerland, December 16, 2019. REUTERS/Denis Balibouse

A damaged traffic speed camera is seen in Nice, France, November 4, 2019. REUTERS/Eric Gaillard

An airplane flies past a newly installed "noise radar", a measuring device that can precisely measure and locate sounds from a moving vehicles as well as register their licence plates at Villeneuve-le-Roi, a town next to Paris airport Orly, France, August 30, 2019. REUTERS/Charles Platiau

A newly installed "noise radar", a measuring device that can precisely measure and locate sounds from a moving vehicles as well as register their licence plates, is seen at Villeneuve-le-Roi, a town next to Paris airport Orly, France, August 30, 2019. REUTERS/Charles Platiau

A newly installed "noise radar", a measuring device that can precisely measure and locate sounds from a moving vehicles as well as register their licence plates, is seen at Villeneuve-le-Roi, a town next to Paris airport Orly, France, August 30, 2019. REUTERS/Charles Platiau

An airplane flies past a newly installed "noise radar", a measuring device that can precisely measure and locate sounds from a moving vehicles as well as register their licence plates at Villeneuve-le-Roi, a town next to Paris airport Orly, France, August 30, 2019. REUTERS/Charles Platiau

An airplane flies past a newly installed "noise radar", a measuring device that can precisely measure and locate sounds from a moving vehicles as well as register their licence plates at Villeneuve-le-Roi, a town next to Paris airport Orly, France, August 30, 2019. REUTERS/Charles Platiau

A radar is seen on the monitoring tower of USS Boxer (LHD-4) in the Arabian Sea off Oman July 16, 2019. Picture taken July 16, 2019. REUTERS/Ahmed Jadallah

Visitors inspect constructions of a former Soviet Union over-the-horizon (OTH) radar system "Duga" near the Chernobyl Nuclear Power Plant, near Chernobyl, Ukraine June 2, 2019. Picture taken June 2, 2019. REUTERS/Valentyn Ogirenko

May 26, 2019; Indianapolis, IN, USA; Crew member watch the weather radar before the 103rd Running of the Indianapolis 500 at Indianapolis Motor Speedway. Mandatory Credit: Guy Rhodes-USA TODAY Sports

A radar tower is seen on the beach of Sangatte, near Calais, France February 19, 2019. REUTERS/Benoit Tessier

German Chancellor Angela Merkel stands in front of a large screen introducing NEC's satellite-mounted radar system for monitoring urban infrastructure and disaster prevention as she visits NEC Future Creation Hub at the headquarters of NEC in Tokyo, Japan, February 5, 2019. REUTERS/Kim Kyung-hoon

German Chancellor Angela Merkel stands in front of a large screen introducing NEC's satellite-mounted radar system for monitoring urban infrastructure and disaster prevention as she visits NEC Future Creation Hub at the headquarters of NEC in Tokyo, Japan, February 5, 2019. REUTERS/Kim Kyung-hoon

German Chancellor Angela Merkel stands in front of a large screen introducing NEC's satellite-mounted radar system for monitoring urban infrastructure and disaster prevention as she visits NEC Future Creation Hub at the headquarters of NEC in Tokyo, Japan, February 5, 2019. REUTERS/Kim Kyung-hoon

German Chancellor Angela Merkel stands near a large screen introducing NEC's satellite-mounted radar system for monitoring urban infrastructure and disaster prevention as she visits NEC Future Creation Hub at the headquarters of NEC in Tokyo, Japan, February 5, 2019. REUTERS/Kim Kyung-hoon

German Chancellor Angela Merkel stands in front of a large screen introducing NEC's satellite-mounted radar system for monitoring urban infrastructure and disaster prevention as she visits NEC Future Creation Hub at the headquarters of NEC in Tokyo, Japan, February 5, 2019. REUTERS/Kim Kyung-hoon

German Chancellor Angela Merkel stands in front of a large screen introducing NEC's satellite-mounted radar system for monitoring urban infrastructure and disaster prevention as she visits NEC Future Creation Hub at the headquarters of NEC in Tokyo, Japan, February 5, 2019. REUTERS/Kim Kyung-hoon

A traffic speed camera is covered with white painting to block its operation in Nice, France, January 11, 2019. REUTERS/Eric Gaillard

A traffic speed camera is covered by a plastic bag and a tape reading "under technical maintenance" after it was previously vandalised to block its operation in Paris, France, January 11, 2019. REUTERS/Benoit Tessier

A traffic speed camera is covered by a plastic bag and a tape reading "under technical maintenance" after it was previously vandalised to block its operation in Paris, France, January 11, 2019. REUTERS/Benoit Tessier

A traffic speed camera is covered by a plastic bag and a tape reading "under technical maintenance" after it was previously vandalised to block its operation in Paris, France, January 11, 2019. REUTERS/Benoit Tessier

Visitors inspect constructions of a former Soviet Union over-the-horizon (OTH) radar system "Duga" near the Chernobyl Nuclear Power Plant, near Chernobyl, Ukraine November 22, 2018. Picture taken November 22, 2018. REUTERS/Gleb Garanich

Visitors feed a dog as they inspect constructions of a former Soviet Union over-the-horizon (OTH) radar system "Duga" near the Chernobyl Nuclear Power Plant, near Chernobyl, Ukraine November 22, 2018. Picture taken November 22, 2018. REUTERS/Gleb Garanich

Constructions of a former Soviet Union over-the-horizon (OTH) radar system "Duga" are seen near the Chernobyl Nuclear Power Plant, near Chernobyl, Ukraine November 22, 2018. Picture taken November 22, 2018. REUTERS/Gleb Garanich

Visitors inspect constructions of a former Soviet Union over-the-horizon (OTH) radar system "Duga" near the Chernobyl Nuclear Power Plant, near Chernobyl, Ukraine November 22, 2018. Picture taken November 22, 2018. REUTERS/Gleb Garanich

Constructions of a former Soviet Union over-the-horizon (OTH) radar system "Duga" are seen near the Chernobyl Nuclear Power Plant, near Chernobyl, Ukraine November 22, 2018. Picture taken November 22, 2018. REUTERS/Gleb Garanich

Visitors inspect constructions of a former Soviet Union over-the-horizon (OTH) radar system "Duga" near the Chernobyl Nuclear Power Plant, near Chernobyl, Ukraine November 22, 2018. Picture taken November 22, 2018. REUTERS/Gleb Garanich

An Airbus A330-800 aircraft flies during a flight event presentation in Colomiers near Toulouse, France, November 6, 2018. REUTERS/Regis Duvignau

Aluminium radar capture fishing gear markers are seen on a fishing vessel in the fishing village of Marsaxlokk, Malta November 4, 2018. REUTERS/Darrin Zammit Lupi

Aluminium radar capture fishing gear markers are seen on a fishing vessel in the fishing village of Marsaxlokk, Malta November 4, 2018. REUTERS/Darrin Zammit Lupi

Aluminium radar capture fishing gear markers are seen on a fishing vessel in the fishing village of Marsaxlokk, Malta November 4, 2018. REUTERS/Darrin Zammit Lupi

Chief engineer Savvas Kourepinis looks at the radar as ship's cook Mariona Hidalgo Rodriguez sleeps on the bridge as the NGO Proactiva Open Arms rescue boat Astral sails in the Mediterranean Sea, October 3, 2018. REUTERS/Alkis Konstantinidis

Captain Riccardo Gatti looks at the radar on the bridge of the NGO Proactiva Open Arms rescue boat Astral as it sails in the Mediterranean Sea, October 3, 2018. REUTERS/Alkis Konstantinidis

Safety officer Brian Rougeux carries a fiberglass shell as he works to assemble a protective radar dome at the research camp above the Helheim glacier near Tasiilaq, Greenland, June 23, 2018. REUTERS/Lucas Jackson

Oceanographer David Holland inspects a newly built radar dome at the research camp above the Helheim glacier near Tasiilaq, Greenland, June 22, 2018. REUTERS/Lucas Jackson