Oleksii, 11, shakes hands with a Ukrainian serviceman at his improvised check point, as Russia's attack on Ukraine continues, in Kharkiv Region, Ukraine August 2, 2022. REUTERS/Sofiia Gatilova 

Oleksii, 11, waves to Ukrainian servicemen, who ride a BM21multiple launch rocket system past his improvised check point, as Russia's attack on Ukraine continues, in Kharkiv Region, Ukraine August 2, 2022. REUTERS/Sofiia Gatilova 

A demonstrator grabs an improvised weapon during an anti-government protest amid a stalemate between the government of President Guillermo Lasso and largely indigenous demonstrators who demand an end to emergency measures, in Quito, Ecuador June 23, 2022. REUTERS/Santiago Arcos 

Demonstrators prepare an improvised weapon during an anti-government protest amid a stalemate between the government of President Guillermo Lasso and largely indigenous demonstrators who demand an end to emergency measures, in Quito, Ecuador June 23, 2022. REUTERS/Santiago Arcos 

Displaced Boko Haram victims attend a safety training workshop on the identification of Improvised Explosive Devices (IEDs) and the dangers of unexploded items, at the Gubio camp in Maiduguri, Nigeria May 6, 2022. Picture taken May 6, 2022. REUTERS/Afolabi Sotunde 

Improvised beds are seen inside the basement of a school, as Russia's invasion of Ukraine continues, in the village of Yahidne, near to Chernihiv, Ukraine, April 6, 2022. REUTERS/Marko Djurica SEARCH "DJURICA UKRAINE YAHIDNE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES 

Improvised beds are seen inside the basement of a school, as Russia's invasion of Ukraine continues, in the village of Yahidne, near to Chernihiv, Ukraine, April 6, 2022. REUTERS/Marko Djurica SEARCH "DJURICA UKRAINE YAHIDNE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES 

Bernie Kirsh poses with Grammy for the Best Improvised Jazz Solo Award on behalf of Chick Corea for "Humpty Dumpty (Set 2)" during the 64th Annual Grammy Awards at the MGM Grand Garden Arena in Las Vegas, Nevada, U.S., April 3, 2022. REUTERS/Steve Marcus 

Bernie Kirsh poses with Grammy for the Best Improvised Jazz Solo Award on behalf of Chick Corea for "Humpty Dumpty (Set 2)" during the 64th Annual Grammy Awards at the MGM Grand Garden Arena in Las Vegas, Nevada, U.S., April 3, 2022. REUTERS/Steve Marcus 

Giant flags wave atop improvised flagpoles as trucks and tractors block traffic in front of Manitoba Legislative Building, as truckers and their supporters continue to protest coronavirus disease (COVID-19) vaccine mandates, in Winnipeg, Manitoba, Canada, February 4, 2022. REUTERS/Shannon VanRaes 

A man is wheeled on a stretcher after he was injured when their public service vehicle hit an Improvised Explosive Device (IED) near the Kenya-Somalia border in Mandera county, Kenya January 31, 2022. REUTERS/Stringer 

A man is assisted after he was injured when their public service vehicle hit an Improvised Explosive Device (IED) near the Kenya-Somalia border in Mandera county, Kenya January 31, 2022. REUTERS/Stringer 

A sapper of Ukraine's State Emergency Service shows mockups of improvised explosive devices to students during bomb threat training at a local school following a recent spate of hoax bomb threats in public institutions in Kyiv, Ukraine January 27, 2022. REUTERS/Valentyn Ogirenko 

A sapper of Ukraine's State Emergency Service shows mockups of improvised explosive devices to students during bomb threat training at a local school following a recent spate of hoax bomb threats in public institutions in Kyiv, Ukraine January 27, 2022. REUTERS/Valentyn Ogirenko 

A sapper of Ukraine's State Emergency Service shows mockups of improvised explosive devices to students during bomb threat training at a local school following a recent spate of hoax bomb threats in public institutions in Kyiv, Ukraine January 27, 2022. REUTERS/Valentyn Ogirenko 

A woman cooks food in a pot on an improvised firewood cook stove at Computer Village neighborhood in Ikeja, Lagos, Nigeria November 3, 2021. Picture taken November 3, 2021. REUTERS/Temilade Adelaja 

A woman cooks food in a pot on an improvised firewood cook stove at Computer Village neighborhood in Ikeja, Lagos, Nigeria November 3, 2021. Picture taken November 3, 2021. REUTERS/Temilade Adelaja 

A woman cooks food in a pot on an improvised firewood cook stove at Computer Village neighborhood in Ikeja, Lagos, Nigeria November 3, 2021. Picture taken November 3, 2021. REUTERS/Temilade Adelaja 

A woman arranges charcoal on an improvised cook stove at Computer Village neighborhood in Ikeja, Lagos, Nigeria November 3, 2021. Picture taken November 3, 2021. REUTERS/Temilade Adelaja 

A woman cooks food in a pot on an improvised firewood cook stove at Computer Village neighborhood in Ikeja, Lagos, Nigeria November 3, 2021. Picture taken November 3, 2021. REUTERS/Temilade Adelaja 

Migrants shelter under an improvised plastic tent before a heavy rain as they take part in a caravan heading to Mexico City, in Mapastepec, Mexico October 31, 2021. REUTERS/Daniel Becerril 

Migrants set up an improvised shader during a resting day as they take part in a caravan heading to Mexico City, in Acacoyagua, Mexico October 29, 2021. REUTERS/Daniel Becerril 

Mariangela Pereira da Silva, 13, boxes during a training session in an improvised ring at a dirt football pitch in Capao Redondo, Sao Paulo, Brazil, September 14, 2021. Picture taken September 14, 2021. REUTERS/Amanda Perobelli TPX IMAGES OF THE DAY 

The hand of Mariangela Pereira da Silva, 13, is seen during a training session in an improvised boxing ring at a dirt football pitch in Capao Redondo, Sao Paulo, Brazil, September 14, 2021. Picture taken September 14, 2021. REUTERS/Amanda Perobelli 

Mariangela Pereira da Silva, 13, and Eduardo Almeida, 14, box during a training session in an improvised ring at a dirt football pitch in Capao Redondo, Sao Paulo, Brazil, September 14, 2021. Picture taken September 14, 2021. REUTERS/Amanda Perobelli 

Migrants children and asylum seekers from Central America and the Caribbean rest after walking in a caravan headed to the Mexican capital to apply for asylum and refugee status, at an improvised shelter in Huixtla, Chiapas state, Mexico August 28, 2021. REUTERS/Jose Torres 

Migrants and asylum seekers from Central America and the Caribbean rest after walking in a caravan headed to the Mexican capital to apply for asylum and refugee status, at an improvised shelter in Huixtla, Chiapas state, Mexico August 28, 2021. REUTERS/Jose Torres 

Migrants and asylum seekers from Central America and the Caribbean rest after walking in a caravan headed to the Mexican capital to apply for asylum and refugee status, at an improvised shelter in Huixtla, in Chiapas state, Mexico August 28, 2021. REUTERS/Jose Torres 

Migrants and asylum seekers from Central America and the Caribbean rest after walking in a caravan headed to the Mexican capital to apply for asylum and refugee status, at an improvised shelter in Huixtla, in Chiapas state, Mexico August 28, 2021. REUTERS/Jose Torres 

Migrants and asylum seekers from Central America and the Caribbean rest after walking in a caravan headed to the Mexican capital to apply for asylum and refugee status, at an improvised shelter in Huixtla, in Chiapas state, Mexico August 28, 2021. REUTERS/Jose Torres TPX IMAGES OF THE DAY 

Migrants and asylum seekers from Central America and the Caribbean rest after walking in a caravan headed to the Mexican capital to apply for asylum and refugee status, at an improvised shelter in Huixtla, in Chiapas state, Mexico August 28, 2021. REUTERS/Jose Torres 

Migrants and asylum seekers from Central America and the Caribbean rest after they walk in a caravan headed to the Mexican capital to apply for asylum and refugee status at improvised shelter in Huixtla, in Chiapas state, Mexico August 28, 2021. REUTERS/Jose Torres 

Mike de Oliveira, 27, stands at his improvised house between viaduct beams, after receiving food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes 

Mike de Oliveira, 27, stands at his improvised house between viaduct beams, after receiving food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes 

Mike de Oliveira, 27, climbs to his improvised house between viaduct beams, after receiving food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes 

Croatia rower Martin Sinkovic is seen during practice in improvised gym in hotel Alkar for the Tokyo 2020 Olympics in Sinj, Croatia, June 18, 2021. Picture is taken June 18, 2021. REUTERS/Antonio Bronic 

Croatia rowers Martin Sinkovic and Valent Sinkovic are seen during practice in improvised gym in hotel Alkar for the Tokyo 2020 Olympics in Sinj, Croatia, June 18, 2021. Picture is taken June 18, 2021. REUTERS/Antonio Bronic 

Croatia rowers Martin Sinkovic and Valent Sinkovic are seen during practice in improvised gym in hotel Alkar for the Tokyo 2020 Olympics in Sinj, Croatia, June 18, 2021. Picture is taken June 18, 2021. REUTERS/Antonio Bronic 

Croatia rower Martin Sinkovic is seen during practice in improvised gym in hotel Alkar for the Tokyo 2020 Olympics in Sinj, Croatia, June 18, 2021. Picture is taken June 18, 2021. REUTERS/Antonio Bronic 

The Brazilian bobsled team trains with an improvised bobsled car on an athletics track looking for qualification for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athlete Luis Goncalves trains with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athlete Erick Jeronimo trains with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athlete Rafael da Silva trains with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athletes Jefferson Sabino and Gustavo Ferreira train with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

The Brazilian bobsled team trains with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

The Brazilian bobsled team trains with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athletes Erick Jeronimo, Edson Martins and Gustavo Ferreira train with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athletes Edson Martins and Rafael da Silva train with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athletes Luis Goncalves and Rafael da Silva train with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athlete Edson Martins trains with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athletes Erick Jeronimo, Luis Goncalves, Rafael da Silva and Gustavo Ferreira train with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athletes Edson Martins, Luis Goncalves, Erick Jeronimo, Jefferson Sabino, Edson Bindilatti, Rafael da Silva and Gustavo Ferreira pose after training with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athletes Edson Martins, Erick Jeronimo and Rafael da Silva train with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athlete Edson Bindilatti puts on a helmet during a training with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Brazilian bobsled athlete Edson Martins trains with an improvised bobsled car on an athletics track to qualify for the 2022 Winter Olympics, in Sao Caetano do Sul, near Sao Paulo, Brazil May 20, 2021. Picture taken May 20, 2021. REUTERS/Carla Carniel 

Protesters take cover behind umbrellas and an improvised shield amid the release of chemical irritants by law enforcement officers outside the Brooklyn Center Police Department, days after Daunte Wright was shot and killed by a police officer, in Brooklyn Center, Minnesota, U.S. April 14, 2021. REUTERS/Leah Millis? 

Cemetery workers disinfect coffins at an improvised morgue for coronavirus disease (COVID-19) victims at the Bare cemetery in Sarajevo, Bosnia and Herzegovina March 19, 2021. REUTERS/Dado Ruvic 

A cemetery worker moves a coffin at an improvised morgue for coronavirus disease (COVID-19) victims at the Bare cemetery in Sarajevo, Bosnia and Herzegovina March 19, 2021. REUTERS/Dado Ruvic 

Cemetery workers move private belongings of coronavirus disease (COVID-19) victims over their coffins at an improvised morgue at the Bare cemetery in Sarajevo, Bosnia and Herzegovina March 19, 2021. REUTERS/Dado Ruvic