Local residents walk with metal detectors on a dried-up river bank after water level in the Dnipro river sharply dropped, after the Kakhovka dam destruction, amid Russia's attack on Ukraine, near Zaporizhzhia, Ukraine, June 17, 2023. REUTERS/Alina Smutko 

A local resident walks with a metal detector on a dried-up river bank after water level in the Dnipro river sharply dropped, after the Kakhovka dam destruction, amid Russia's attack on Ukraine, near Zaporizhzhia, Ukraine, June 17, 2023. REUTERS/Alina Smutko 

A local resident walks with a metal detector on a dried-up river bank after water level in the Dnipro river sharply dropped following the Kakhovka dam destruction, amid Russia's attack on Ukraine, near Zaporizhzhia, Ukraine, June 17, 2023. REUTERS/Alina Smutko 

Local resident Hanna Plishchynska, 67-year-old, uses a metal detector to find mines, shells and shrapnel at a field near her house, after she came back to the village of Stepova Dolyna a few weeks ago, amid Russia's attack on Ukraine, in Mykolaiv region, Ukraine May 25, 2023. REUTERS/Viktoriia Lakezina 

Local resident Hanna Plishchynska, 67-year-old, uses a metal detector to find mines, shells and shrapnel at a field near her house, after she came back to the village of Stepova Dolyna a few weeks ago, amid Russia's attack on Ukraine, in Mykolaiv region, Ukraine May 25, 2023. REUTERS/Viktoriia Lakezina 

Local resident Hanna Plishchynska, 67-year-old, uses a metal detector to find mines, shells and shrapnel at a field near her house, after she came back to the village of Stepova Dolyna a few weeks ago, amid Russia's attack on Ukraine, in Mykolaiv region, Ukraine May 25, 2023. REUTERS/Viktoriia Lakezina 

A man uses a metal detector as he stands in waters of the Gulf of Finland on a sunny day in Saint Petersburg, Russia May 21, 2023. REUTERS/Anton Vaganov 

A German police officer uses a metal detector in search of a knife at the woodland where a 12-year-old girl was found dead as a result of knife wounds in Hohenhain near Freudenberg, Germany, March 14, 2023. Two girls at the age of 12 and 13 are suspected of killing the 12-year-old schoolgirl Luise. REUTERS/Stephane Nitschke 

A German police officer uses a metal detector in search of a knife at the woodland where a 12-year-old girl was found dead as a result of knife wounds in Hohenhain near Freudenberg, Germany, March 14, 2023. Two girls at the age of 12 and 13 are suspected of killing the 12-year-old schoolgirl Luise. REUTERS/Stephane Nitschke 

Attendees go through metal detectors to gain entry before a vigil at the University of Idaho for four students found dead in their residence on November 13 in Moscow, Idaho, U.S., November 30, 2022. REUTERS/Lindsey Wasson 

A man scans the beach with a metal detector following the passage of Hurricane Nicole in Cocoa Beach, Florida, U.S. November 10, 2022. REUTERS/Ricardo Arduengo 

A service member of the Ukrainian National Guard uses a metal detector for checking an area recently liberated during a counteroffensive operation, amid Russia's attack on Ukraine, near the Russian border in Kharkiv region, Ukraine September 20, 2022. REUTERS/Sofiia Gatilova 

A Ukrainian serviceman uses a metal detector to inspect a mass grave at a site on an improvised cemetery of civilians and Ukrainian soldiers in the town of Izium, recently recently liberated by the Ukrainian Armed Forces during a counteroffensive operation, amid Russia's attack on Ukraine, in Kharkiv region, Ukraine September 15, 2022. REUTERS/Oleksandr Khomenko 

Britain's Prince Charles reacts as he walks through a metal detector for his visit at the Athletes' Village at the University of Birmingham during the 2022 Commonwealth Games in Birmingham, Britain July 28, 2022. REUTERS/Phil Noble/Pool TPX IMAGES OF THE DAY 

Britain's Prince Charles reacts as he walks through a metal detector for his visit at the Athletes' Village at the University of Birmingham during the 2022 Commonwealth Games in Birmingham, Britain July 28, 2022. REUTERS/Phil Noble/Pool 

Britain's Prince Charles reacts as he walks through a metal detector for his visit at the Athletes' Village at the University of Birmingham during the 2022 Commonwealth Games in Birmingham, Britain July 28, 2022. REUTERS/Phil Noble/Pool 

A Parliamentary Protective Services member passes a metal detector over a protestor at Parliament Hill, on Canada Day, as Canada celebrates its 155th anniversary since 1867, in Ottawa, Ontario, Canada, July 1, 2022. REUTERS/Blair Gable 

A Parliamentary Protective Services member passes a metal detector over a protestor at Parliament Hill, on Canada Day, as Canada celebrates its 155th anniversary since 1867, in Ottawa, Ontario, Canada, July 1, 2022. REUTERS/Blair Gable 

A Parliamentary Protective Services member passes a metal detector over a demonstrator at Parliament Hill, on Canada Day, as Canada celebrates its 155th anniversary since 1867, in Ottawa, Ontario, Canada, July 1, 2022. REUTERS/Blair Gable 

Deminers of Danish NGO demonstrate a search process of explosive devices with help of an Ebinger large loop metal detector, as Russia's attack on Ukraine continues, outside the town of Ichnia, in Chernihiv region, Ukraine June 7, 2022. REUTERS/Vladyslav Musiienko REFILE - CORRECTING OCCUPATION 

Deminers of Danish NGO demonstrate a search process of explosive devices with help of an Ebinger large loop metal detector, as Russia's attack on Ukraine continues, outside the town of Ichnia, in Chernihiv region, Ukraine June 7, 2022. REUTERS/Vladyslav Musiienko TPX IMAGES OF THE DAY REFILE - CORRECTING OCCUPATION 

A person uses a metal detector on Bournemouth beach as Storm Eunice passes, in Bournemouth, Britain, February 18, 2022. REUTERS/Andrew Boyers 

Workers wearing protective suits to protect themselves from the coronavirus disease (COVID-19), set up a metal detector for a security check point at the Main Press Center ahead of the Beijing 2022 Winter Olympics in Beijing, China January 18, 2022. REUTERS/Fabrizio Bensch 

A worker wears a protective suit as a protection from the coronavirus disease (COVID-19), as he sets up a metal detector for a security check point at the Main Press Center ahead of the Beijing 2022 Winter Olympics in Beijing, China January 18, 2022. REUTERS/Fabrizio Bensch 

Workers wearing protective suits to protect themselves from the coronavirus disease (COVID-19), set up a metal detector for a security check point at the Main Press Center ahead of the Beijing 2022 Winter Olympics in Beijing, China January 18, 2022. REUTERS/Fabrizio Bensch 

U.S. House Speaker Nancy Pelosi (D-CA) stops at a metal detector as she returns to the House floor after signing a series of resolutions to roll back Trump-era changes to rules regarding payday lending, methane emissions and equal employment, at the Capitol in Washington, U.S. June 29, 2021. REUTERS/Jonathan Ernst 

A man combs the sand with a metal detector, as people flock to the beach to enjoy the Memorial Day long weekend, in Santa Monica, California, U.S. May 30, 2021. REUTERS/David Swanson 

A view of damaged scanning machines and metal detectors at the entrance of the historic Red Fort after Tuesday's clashes between police and farmers, in the old quarters of Delhi, India, January 27, 2021. REUTERS/Adnan Abidi 

U.S. Representative Lauren Boebert (R-CO) is temporarily stopped by Capitol Police as she passes through metal detectors at a new security checkpoint outside the House floor during debate on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington, U.S. January 12, 2021. REUTERS/Jonathan Ernst 

U.S. House Speaker Nancy Pelosi (D-CA) walks through a new metal detector outside the House chamber as the House prepares to vote on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington, U.S., January 12, 2021. REUTERS/Erin Scott 

U.S. House Speaker Nancy Pelosi (D-CA) walks through a new metal detector outside the House chamber as the House prepares to vote on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington, U.S., January 12, 2021. REUTERS/Erin Scott 

U.S. House Speaker Nancy Pelosi (D-CA) walks through a new metal detector outside the House chamber as the House prepares to vote on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington, U.S., January 12, 2021. REUTERS/Erin Scott TPX IMAGES OF THE DAY 

U.S. House Speaker Nancy Pelosi (D-CA) walks through a new metal detector outside the House chamber as the House prepares to vote on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington, U.S., January 12, 2021. REUTERS/Erin Scott 

U.S. Representative Marjorie Taylor Greene (R-GA) goes through a new metal detector to enter the House floor during a procedural debate on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington January 12, 2021. REUTERS/Jonathan Ernst 

U.S. Representative Marjorie Taylor Greene (R-GA) goes through a new metal detector to enter the House floor during a procedural debate on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington January 12, 2021. REUTERS/Jonathan Ernst 

U.S. Representative Marjorie Taylor Greene (R-GA) is asked to remove her shoes by Capitol Police as she goes through a new metal detector to enter the House floor during a procedural debate on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington January 12, 2021. REUTERS/Jonathan Ernst 

U.S. Representative Marjorie Taylor Greene (R-GA) goes through a new metal detector to enter the House floor during a procedural debate on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington January 12, 2021. REUTERS/Jonathan Ernst 

U.S. Representative Marjorie Taylor Greene (R-GA) goes through a new metal detector to enter the House floor during a procedural debate on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington January 12, 2021. REUTERS/Jonathan Ernst 

U.S. Representative Marjorie Taylor Greene (R-GA) goes through a new metal detector to enter the House floor during a procedural debate on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington January 12, 2021. REUTERS/Jonathan Ernst 

U.S. Representative Marjorie Taylor Greene (R-GA) is asked to remove her shoes by Capitol Police as she goes through a new metal detector to enter the House floor during a procedural debate on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington January 12, 2021. REUTERS/Jonathan Ernst 

U.S. Representative Marjorie Taylor Greene (R-GA) goes through a new metal detector to enter the House floor during a procedural debate on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington January 12, 2021. REUTERS/Jonathan Ernst 

U.S. House Majority Leader Steny Hoyer (D-MD) goes through a new metal detector as he walks to the floor of the House of Representatives to begin the voting process on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington January 12, 2021. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY 

U.S. House Majority Leader Steny Hoyer (D-MD) goes through a new metal detector as he walks to the floor of the House of Representatives to begin the voting process on a resolution demanding Vice President Pence and the cabinet remove President Trump from office, at the U.S. Capitol in Washington January 12, 2021. REUTERS/Jonathan Ernst 

Newly-installed metal detectors stand at the entrances to the House floor at the U.S. Capitol in Washington, U.S., January 12, 2021. REUTERS/Jonathan Ernst 

Security personnel set up a metal detector in front of an entrance to the House Chamber before debate on a resolution calling for U.S. Vice President Mike Pence to begin the process of removing U.S. President Donald Trump from office, on Capitol Hill in Washington, U.S., January 12, 2021. REUTERS/Joshua Roberts 

Security personnel set up a metal detector in front of an entrance to the House Chamber before debate on a resolution calling for U.S. Vice President Mike Pence to begin the process of removing U.S. President Donald Trump from office, on Capitol Hill in Washington, U.S., January 12, 2021. REUTERS/Joshua Roberts 

A person uses a metal detector on the beach engulfed by water before the arrival of Tropical Storm Eta in Siesta Key, Florida, U.S. November 11, 2020. REUTERS/Ty Wright TPX IMAGES OF THE DAY 

A person uses a metal detector on the beach engulfed by water before the arrival of Tropical Storm Eta in Siesta Key, Florida, U.S. November 11, 2020. REUTERS/Ty Wright 

Participants walk through a metal detector during a gathering, organized by Left Front movement to protest against amendments to Russia's Constitution and to reject the results of a nationwide vote on constitutional reforms, in central Moscow, Russia July 4, 2020. Participants gathered near the office of Russia's presidential administration to file a petition for nonrecognition of the referendum on constitutional changes. The placard reads: "I vote against amendments". REUTERS/Evgenia Novozhenina 

A man uses a metal detector on the beach, following the outbreak of the coronavirus disease (COVID-19), in Instow, Britain, June 3, 2020. Picture taken June 3, 2020. REUTERS/Henry Nicholls 

Hand sanitizer, social-distancing instructions and a metal detector are pictured at the entrance to a Pop-Up Blood Drive experience at T-Mobile Park, the stadium of Major League Baseball's Seattle Mariners, as efforts continue to help slow the spread of the coronavirus disease (COVID-19) in Seattle, Washington, U.S. April 13, 2020. REUTERS/Jason Redmond 

An homemade device to desinfectant shoes is placed under a metal detector at an access of a jail where inmates (unsee) are manufacturing preventive masks for themselves at a sewing machine workshop, following the outbreak of coronavirus disease (COVID-19) in Santiago, Chile April 9, 2020. REUTERS/Ivan Alvarado 

Workers dismantle x-ray machines and walk-through metal detectors after the temple fair for the Chinese Lunar New Year in Ditan Park was canceled in Beijing, China January 24, 2020. REUTERS/Carlos Garcia Rawlins 

Workers dismantle x-ray machines and walk-through metal detectors after the temple fair for the Chinese Lunar New Year in Ditan Park was canceled in Beijing, China January 24, 2020. REUTERS/Carlos Garcia Rawlins 

An attendee goes through a metal detector ahead of a royal parade by Japan's Emperor Naruhito and Empress Masako, in front of the Imperial Palace in Tokyo, Japan November 10, 2019. REUTERS/Kim Kyung-hoon 

A man wipes stains off a walk-through metal detector at the entrance to the Attorney General's office after protesters threw empty eggshells and splashed red paint in support of Evelyn Hernandez in San Salvador, El Salvador September 9, 2019. REUTERS/Jose Cabezas 

A treasure hunter uses his metal detector on the beach ahead of the arrival of Hurricane Dorian in Daytona Beach, Florida, U.S., September 2, 2019. REUTERS/Marco Bello 

A treasure hunter uses his metal detector on the beach ahead of the arrival of Hurricane Dorian in Daytona Beach, Florida, U.S., September 2, 2019. REUTERS/Marco Bello 

Army veterans, who recently served as soldiers in war zones use metal detectors on the battlefield of Waterloo as part of archaeological research campaign called "Waterloo Uncovered", which aims to explore the battlefield of Waterloo, in Waterloo, Belgium July 16, 2019. REUTERS/Johanna Geron 

Army veterans, who recently served as soldiers in war zones use metal detectors on the battlefield of Waterloo as part of archaeological research campaign called "Waterloo Uncovered", which aims to explore the battlefield of Waterloo, in Waterloo, Belgium July 16, 2019. REUTERS/Johanna Geron