Workers fit a manhole on Bar-Boljare highway in the village Kisjelica, Montenegro May 27, 2021. A Chinese loan for the first phase of a highway linking the Adriatic Sea port of Bar and border with Serbia has sent Montenegro's debt soaring and forced the country to seek help from the European Union. Picture taken on May 27, 2021. REUTERS/Stevo Vasiljevic

A man closes a manhole with a plastic cover in Beirut, Lebanon May 20, 2021. Picture taken May 20, 2021. REUTERS/Mohamed Azakir

A worker puts plastic waste in a grinder at a factory in Abou Mizan, Lebanon May 19, 2021. Picture taken May 19, 2021. REUTERS/Mohamed Azakir

Lebanese environmental engineer Ziad Abi Chaker gestures as a worker holds a plastic manhole cover at a factory in Abou Mizan, Lebanon May 19, 2021. Picture taken May 19, 2021. REUTERS/Mohamed Azakir

A worker prepares a plastic manhole cover at a factory in Abou Mizan, Lebanon May 19, 2021. Picture taken May 19, 2021. REUTERS/Mohamed Azakir

A worker prepares a plastic manhole cover at a factory in Abou Mizan, Lebanon May 19, 2021. Picture taken May 19, 2021. REUTERS/Mohamed Azakir

A worker prepares a plastic manhole cover at a factory in Abou Mizan, Lebanon May 19, 2021. Picture taken May 19, 2021. REUTERS/Mohamed Azakir

Lebanese environmental engineer Ziad Abi Chaker is pictured during an interview with Reuters at a factory in Abou Mizan, Lebanon May 19, 2021. Picture taken May 19, 2021. REUTERS/Mohamed Azakir

A man rides on a motorbike past a manhole with a tire inside in Beirut, Lebanon March 4, 2021. Picture taken March 4, 2021. REUTERS/Mohamed Azakir

A man walks past a manhole with a missing cover in Beirut, Lebanon March 4, 2021. Picture taken March 4, 2021. REUTERS/Mohamed Azakir

U.S. Capitol Police Officers with the Hazardous Devices Section inspect and seal a manhole on the grounds of the U.S. Capitol building on Capitol Hill in Washington, U.S., January 10, 2021. REUTERS/Allison Shelley

U.S. Capitol Police Officers with the Hazardous Devices Section inspect and seal a manhole on the grounds of the U.S. Capitol building on Capitol Hill in Washington, U.S., January 10, 2021. REUTERS/Allison Shelley

A man walks past a steaming manhole on a cold winter day following an outbreak of the coronavirus disease (COVID-19) in Beijing, China January 6, 2021. REUTERS/Thomas Peter

Workers cover a steaming manhole as the outbreak of the coronavirus disease (COVID-19) continues, in Beijing, China January 6, 2021. REUTERS/Thomas Peter

A view of a manhole cover near the Kwun Yam Temple in Hong Kong's Hung Hom district, leading to a network of sewers connected to the Hong Kong Polytechnic University (PolyU) in Hong Kong, China, September 29, 2020. Hundreds of protesters trapped during the siege of PolyU last November used this network of sewers to escape, which volunteers like Dave, a diver, helped scout out. Picture taken September 29, 2020. REUTERS/James Pomfret To match Special Report HONGKONG-DEMOCRACY/ACTIVISTS

A passerby stands next to an illuminated manhole cover with designs of popular animation character from 'The Melancholy of Haruhi Suzumiya', on the street in Tokorozawa, near Tokyo, Japan August 19, 2020. REUTERS/Hideto Sakai

A passerby using a smartphone takes a photo of an illuminated manhole cover with designs of popular animation character Gundam, on the street in Tokorozawa, near Tokyo, Japan August 19, 2020. REUTERS/Hideto Sakai

A municipal worker stands next to an uncovered manhole on a flooded street during heavy rains in New Delhi, India, August 19, 2020. REUTERS/Adnan Abidi

Municipal workers wearing protective masks stand next to an open manhole on a waterlogged street during heavy rains in Mumbai, India, July 5, 2020 REUTERS/Francis Mascarenhas

Chevy Larocque is lowered into a manhole for some repair work during a phased reopening from the coronavirus disease (COVID-19) restrictions in Toronto, Ontario, Canada May 19, 2020. REUTERS/Carlos Osorio

A worker climbs into a manhole to install a cable in the drains in the Central Business District in Beijing as the spread of the novel coronavirus disease (COVID-19) continues, China April 22, 2020. REUTERS/Thomas Peter

A worker leans into a manhole to talk to his colleague who is installing a cable in the drains in the Central Business District in Beijing as the spread of the novel coronavirus disease (COVID-19) continues, China April 22, 2020. REUTERS/Thomas Peter

Pedestrians walk past a manhole fire in the Brooklyn borough of New York, U.S., July 1, 2019. REUTERS/Lucas Jackson

Pedestrians walk past a manhole fire in the Brooklyn borough of New York, U.S., July 1, 2019. REUTERS/Lucas Jackson

Pedestrians walk past a manhole fire in the Brooklyn borough of New York, U.S., July 1, 2019. REUTERS/Lucas Jackson TPX IMAGES OF THE DAY

A woman walks past a manhole fire in the Brooklyn borough of New York, U.S., July 1, 2019. REUTERS/Lucas Jackson

Members of the New York Fire Department monitor a manhole fire in the Brooklyn borough of New York, U.S., July 1, 2019. REUTERS/Lucas Jackson

Members of the New York Fire Department monitor a manhole fire in the Brooklyn borough of New York, U.S., July 1, 2019. REUTERS/Lucas Jackson

A manhole cover depicting the Osaka castle is seen on the sidewalk at Shinsekai neighbourhood in Osaka, Japan, June 26, 2019. REUTERS/Jorge Silva

A manhole cover depicting the Osaka castle is seen on the sidewalk at Shinsekai neighbourhood in Osaka, Japan, June 26, 2019. REUTERS/Jorge Silva

Kenyan 'froggers' slum dwellers Godfrey Ndalo and Patrick Osunda are assisted as they empty a metallic barrel of excrement from a pit latrine into a manhole in Kibera slum within Nairobi, Kenya February 24, 2019. Picture taken February 24, 2019. REUTERS/Njeri Mwangi

German police officers seal a manhole cover after searching for explosives outside the Cologne Central Mosque before this weekend's official inauguration of the grand mosque by Turkish President Recep Tayyip Erdogan during his official visit to Germany, in Cologne, Germany, September 28, 2018. REUTERS/Wolfgang Rattay

German police officers seal a manhole cover after searching for explosives outside the Cologne Central Mosque before this weekend's official inauguration of the grand mosque by Turkish President Recep Tayyip Erdogan during his official visit to Germany, in Cologne, Germany, September 28, 2018. REUTERS/Wolfgang Rattay

A worker builds a manhole near a construction site of residential apartment blocks in Beijing, China, September 27, 2018. REUTERS/Thomas Peter

A man crosses the street in the business district past a manhole cover marked by engineers in Toronto, Ontario, Canada August 31, 2018. REUTERS/Chris Helgren

Members of the defense forces check a manhole in front of city hall in Helsinki, Finland July 14, 2018. REUTERS/Leonhard Foeger

A police officer and his dog check a manhole in a street Helsinki, Finland July 14, 2018. REUTERS/Leonhard Foeger

A police officer and his dog check a manhole in a street Helsinki, Finland July 14, 2018. REUTERS/Leonhard Foeger

Members of the defense forces check a manhole in front of city hall in Helsinki, Finland July 14, 2018. REUTERS/Leonhard Foeger

A police officer and members of the defense forces check a manhole in front of the Presidential Palace in Helsinki, Finland July 14, 2018. REUTERS/Leonhard Foeger

A police officer and members of the defense forces check a manhole next to the Presidential Palace in Helsinki, Finland July 14, 2018. REUTERS/Leonhard Foeger

Municipal workers stand next to a choked manhole on a water logged street during heavy rains in Mumbai, India July 9, 2018. REUTERS/Danish Siddiqui

Municipal workers attempt to unclog a choked manhole on a water-logged street after heavy rains in Mumbai, India, June 9, 2018. REUTERS/Francis Mascarenhas

A municipal worker fumigates a manhole in a street to prevent the spread of dengue fever and other mosquito-borne diseases in Mumbai, India, May 24, 2018. REUTERS/Francis Mascarenhas

Sewage flows from a manhole as water bowsers queue to collect fresh water for distribution to their clients in Dagoretti neighbourhood of Nairobi, Kenya April 17, 2018. Picture taken April 17, 2018. REUTERS/Njeri Mwangi

The shadows of workers are seen in the City of London financial district, London, Britain, January 25, 2018. Picture taken January 25, 2018. REUTERS/Toby Melville

A man stands near steaming manhole covers on a cold day in Beijing, China, December 1, 2017. REUTERS/Thomas Peter

A man rides an elecric scooter past steaming manhole covers on a cold day in Beijing, China, December 1, 2017. REUTERS/Thomas Peter

Officers of Catalonia's regional police force, Mossos D'esquadra, search unded a manhole cover outside the regional assembly in Barcelona, Spain October 10, 2017. REUTERS/Gonzalo Fuentes

Officers of Catalonia's regional police force, Mossos D'esquadra, search unded a manhole cover outside the regional assembly in Barcelona, Spain October 10, 2017. REUTERS/Gonzalo Fuentes

A Enel Group manhole cover is seen in the street in Perugia, Italy, June 23, 2017. Picture taken June 23, 2017. REUTERS/Alessandro Bianchi

A municipal worker sits on the cover of a manhole after uncovering it on a flooded street after heavy rains in Kolkata, India, June 20, 2017. REUTERS/Rupak De Chowdhuri

German policemen seal a manhole cover in front of the Brandenburg Gate ahead of the visit of U.S. President Barack Obama in Berlin, Germany, November 15, 2016. REUTERS/Fabrizio Bensch

German policemen seal a manhole cover in front of the Brandenburg Gate ahead of the visit of U.S. President Barack Obama in Berlin, Germany, November 15, 2016. REUTERS/Fabrizio Bensch

German policemen seal a manhole cover in front of the Brandenburg Gate ahead of the visit of U.S. President Barack Obama in Berlin, Germany, November 15, 2016. REUTERS/Fabrizio Bensch

A municipal worker uncovers a manhole on a flooded street during heavy rains in New Delhi, India, August 29, 2016. REUTERS/Adnan Abidi

The emblem of the western German city of Koblenz, a young boy with the nickname "Schaengel" is seen on a manhole cover in the city centre of Koblenz, March 1, 2016. REUTERS/Wolfgang Rattay

A manhole cover is pictured in Dresden, Germany, February 19, 2016. REUTERS/Pawel Kopczynski

A manhole cover commemorates the 25th anniversary of the Schengen Agreement in the small village of Schengen, Luxembourg January 27, 2016. The Schengen Agreement with the goal to eliminate internal border controls was signed on June 14, 1985 in the small village at the river Moselle and the tripoint of France, Germany and Luxembourg between the five countries of Belgium, France, Germany, Luxembourg and the Netherlands. European Union interior ministers are to discuss extending temporary border controls in the passport-free Schengen zone to control migration flows, as well as identity document fraud following France's request to improve the detection of fake Syrian passports used by people trying to get into Europe. REUTERS/Wolfgang Rattay

A labourer works inside the manufacturing unit of manhole cover parts at a factory on the outskirts of Kolkata, India, September 11, 2015. India's annual industrial output growth slowed to 4.2 percent in July compared with an upwardly revised 4.4 percent growth a month ago, government data showed on Friday. REUTERS/Rupak De Chowdhuri