A man walks past a pair of columbarium with heart shaped balloons at Pima County Cemetery located within Evergreen Cemetery in Tucson, Arizona, U.S., May 9, 2022. Migrants processed through the Pima County Office of the Medical Examiner are laid to rest in the Pima County Cemetery. REUTERS/Rebecca Noble 

A pair of columbarium are surrounded by small headstones at Pima County Cemetery located within Evergreen Cemetery in Tucson, Arizona, U.S., May 9, 2022. Migrants processed through the Pima County Office of the Medical Examiner are laid to rest in the Pima County Cemetery. REUTERS/Rebecca Noble 

A pair of columbarium are surrounded by small headstones at Pima County Cemetery located within Evergreen Cemetery in Tucson, Arizona, U.S., May 9, 2022. Migrants processed through the Pima County Office of the Medical Examiner are laid to rest in the Pima County Cemetery. REUTERS/Rebecca Noble 

A pair of columbarium are surrounded by small headstones and crosses at Pima County Cemetery located within Evergreen Cemetery in Tucson, Arizona, U.S., May 9, 2022. Migrants processed through the Pima County Office of the Medical Examiner are laid to rest in the Pima County Cemetery. REUTERS/Rebecca Noble 

A Buddhist grave at the Buddhist Memorial Columbarium looks out over the biggest cemetery in North America as it struggles under a backlog of coronavirus-related burials, with the usual 5-7 day wait period after death now stretched to more than a month at Rose Hill Memorial Park and Mortuary, during the outbreak of the coronavirus disease (COVID-19) in California, U.S., January 26, 2021. Picture taken January 26, 2021. REUTERS/Mike Blake 

A staff member guides a family to measure their temperature, due to the coronavirus disease (COVID-19) outbreak, before they enter a columbarium to pay their respects to their loved ones for tomb-sweeping festival in Taipei, Taiwan, March 29, 2020. REUTERS/Ann Wang 

Family members wearing face masks, for protection against the coronavirus disease (COVID-19), carry fruits to pay their respects to their loved ones for tomb-sweeping festival at a columbarium in Taipei, Taiwan, March 29, 2020. REUTERS/Ann Wang 

Family members wearing face masks, as a protection against the coronavirus disease (COVID-19), pay their respects to their loved ones for tomb-sweeping festival at a columbarium in Taipei, Taiwan, March 29, 2020. REUTERS/Ann Wang 

Family members wearing face masks, as a protection against the coronavirus disease (COVID-19), pay their respects to their loved ones for tomb-sweeping festival at a columbarium in Taipei, Taiwan, March 29, 2020. REUTERS/Ann Wang 

Family members wearing face masks for protection due to the coronavirus disease (COVID-19) outbreak place food and fruit to pay their respects to their loved ones for tomb-sweeping festival at a columbarium in Taipei, Taiwan, March 29, 2020. REUTERS/Ann Wang 

A worker sweeps the floor of a columbarium in Tangerang, near Jakarta, Indonesia January 23, 2020. REUTERS/Ajeng Dinar Ulfiana 

A man lights candles beside a columbarium at a cemetery during the observance of All Souls Day in Mumbai, India, November 2, 2017. REUTERS/Danish Siddiqui 

A woman cries after praying beside a columbarium at a cemetery during the observance of All Souls Day in Mumbai, India, November 2, 2017. REUTERS/Danish Siddiqui 

Columbarium walls are seen at the Poble Nou municipal cemetery in Barcelona, Spain October 31, 2017. Picture taken October 31, 2017. REUTERS/Juan Medina 

A man stands on a ladder to place flowers at a columbarium wall at the Poble Nou municipal cemetery in Barcelona, Spain, October 31, 2017. Picture taken October 31, 2017. REUTERS/Juan Medina 

Chinese honor guards with caskets containing the remains of Chinese soldiers move into a cargo airplane during the handing over ceremony at the Incheon International Airport in Incheon, South Korea, Wednesday, March 22, 2017. The remains of 28 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport to return home for permanent burial. REUTERS/Ahn Young-joon/Pool 

Chinese Ambassador to South Korea Qiu Guohong covers caskets containing the remains of Chinese soldiers with a Chinese national flag during the handing over ceremony at the Incheon International Airport in Incheon, South Korea, Wednesday, March 22, 2017. The remains of 28 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport to return home for permanent burial. REUTERS/Ahn Young-joon/Pool 

Chinese honor guards carry caskets containing the remains of Chinese soldiers during the handing over ceremony at the Incheon International Airport in Incheon, South Korea, Wednesday, March 22, 2017. The remains of 28 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport to return home for permanent burial. REUTERS/Ahn Young-joon/Pool TPX IMAGES OF THE DAY 

Chinese honor guards, left, receive caskets containing the remains of Chinese soldiers from South Korean honor guards during the handing over ceremony at the Incheon International Airport in Incheon, South Korea, Wednesday, March 22, 2017. The remains of 28 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport to return home for permanent burial. REUTERS/Ahn Young-joon/Pool 

Chinese honor guards lift caskets containing the remains of Chinese soldiers during the handing over ceremony at the Incheon International Airport in Incheon, South Korea, Wednesday, March 22, 2017. The remains of 28 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport to return home for permanent burial. REUTERS/Ahn Young-joon/Pool 

South Korea's Agency for KIA (Killed in Action) Recovery and Identification members (in white) prepare the remains of Chinese soldiers, killed during the 1950-53 Korean War, as Chinese military officers watch as last rites are given ahead of being placed into a coffin at the temporary columbarium, in Paju, South Korea, March 28, 2016. REUTERS/Ahn Young-joon/Pool 

South Korea's Agency for KIA (Killed in Action) Recovery and Identification members (in white) prepare the remains of Chinese soldiers, killed during the 1950-53 Korean War, as Chinese military officers watch as last rites are given ahead of being placed into a coffin at the temporary columbarium, in Paju, South Korea, March 28, 2016. REUTERS/Ahn Young-joon/Pool 

Chinese military officers look at the remains of Chinese soldiers, killed during the 1950-53 Korean War, at a temporary columbarium, in Paju, South Korea, March 28, 2016. REUTERS/Ahn Young-joon/Pool 

A voter casts his ballot at a polling place in the Neptune Society's Columbarium on Election Day in San Francisco, California November 4, 2014. Voters in the United States took to the polls on Tuesday, casting ballots in midterm elections. REUTERS/Robert Galbraith (UNITED STATES - Tags: ELECTIONS POLITICS SOCIETY) 

Voters cast ballots at a polling place in the Neptune Society's Columbarium on Election Day in San Francisco, California November 4, 2014. Voters in the United States took to the polls on Tuesday, casting ballots in midterm elections. REUTERS/Robert Galbraith (UNITED STATES - Tags: ELECTIONS POLITICS SOCIETY) 

A voter casts his ballot at a polling place in the Neptune Society's Columbarium on Election Day in San Francisco, California November 4, 2014. Voters in the United States took to the polls on Tuesday, casting ballots in midterm elections. REUTERS/Robert Galbraith (UNITED STATES - Tags: ELECTIONS POLITICS SOCIETY) 

A voter casts his ballot at a polling place in the Neptune Society's Columbarium on Election Day in San Francisco, California November 4, 2014. Voters in the United States took to the polls on Tuesday, casting ballots in midterm elections. REUTERS/Robert Galbraith (UNITED STATES - Tags: ELECTIONS POLITICS SOCIETY) 

A voter casts his ballot at a polling place in the Neptune Society's Columbarium on Election Day in San Francisco, California November 4, 2014. Voters in the United States took to the polls on Tuesday, casting ballots in midterm elections. REUTERS/Robert Galbraith (UNITED STATES - Tags: ELECTIONS POLITICS SOCIETY) 

Chinese honour guards holding caskets containing the remains of Chinese soldiers walk into a cargo airplane during the handing over ceremony of the remains at the Incheon International Airport in Incheon March 28, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY SOCIETY) 

Chinese honour guards lift caskets containing the remains of Chinese soldiers during the handing over ceremony of the remains at the Incheon International Airport in Incheon March 28, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from a temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY TPX IMAGES OF THE DAY) 

Chinese ambassador to South Korea Qiu Guohong covers caskets containing the remains of Chinese soldiers, with a Chinese national flag, during the handing over ceremony of the remains at the Incheon International Airport in Incheon March 28, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY SOCIETY) 

Chinese ambassador to South Korea Qiu Guohong covers caskets containing the remains of Chinese soldiers, with a Chinese national flag, during the handing over ceremony of the remains at the Incheon International Airport in Incheon March 28, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY SOCIETY) 

Chinese ambassador to South Korea Qiu Guohong covers caskets containing the remains of Chinese soldiers, with a Chinese national flag, during the handing over ceremony of the remains at the Incheon International Airport in Incheon March 28, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY SOCIETY) 

Chinese honour guards holding caskets containing the remains of Chinese soldiers take part in the handing over ceremony of the remains at the Incheon International Airport in Incheon March 28, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY SOCIETY) 

Chinese honour guards hold caskets, containing the remains of Chinese soldiers, during the handing over ceremony of the remains at the Incheon International Airport in Incheon March 28, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY SOCIETY) 

Chinese honour guards receive caskets, containing the remains of Chinese soldiers, from South Korean soldiers during the handing over ceremony of the remains at the Incheon International Airport in Incheon March 28, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY SOCIETY TPX IMAGES OF THE DAY) 

Chinese ambassador to South Korea Qiu Guohong covers caskets, containing the remains of Chinese soldiers, with a Chinese national flag during the handing over ceremony of the remains at the Incheon International Airport in Incheon March 28, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY SOCIETY) 

Chinese honour guards hold caskets containing the remains of Chinese soldiers during the handing over ceremony of the remains at the Incheon International Airport in Incheon March 28, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY SOCIETY) 

South Korean army soldiers wait to carry out caskets containing the remains of Chinese soldiers to be transported to Incheon International Airport, at the temporary columbarium in Paju March 27, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Ahn Young-joon/Pool (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY) 

South Korean army soldiers carry out caskets containing the remains of Chinese soldiers to be transported to Incheon International Airport, at the temporary columbarium in Paju March 27, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Ahn Young-joon/Pool (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY) 

South Korean army soldiers carry out caskets containing the remains of Chinese soldiers to be transported to Incheon International Airport, at the temporary columbarium in Paju March 27, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Ahn Young-joon/Pool (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY) 

South Korean army soldiers hold caskets containing the remains of Chinese soldiers to be transported to Incheon International Airport, at the temporary columbarium in Paju March 27, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Ahn Young-joon/Pool (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY TPX IMAGES OF THE DAY) 

South Korean army soldiers carry out caskets containing the remains of Chinese soldiers to be transported to Incheon International Airport, at the temporary columbarium in Paju March 27, 2014. The remains of 437 Chinese soldiers killed during the 1950-53 Korean War were transferred from the temporary columbarium in South Korea to the airport on Thursday to be returned to China. REUTERS/Ahn Young-joon/Pool (SOUTH KOREA - Tags: CONFLICT POLITICS MILITARY) 

An Austrian fire fighter cleans mud from a columbarium at the cemetery in the Austrian-German border town of Schaerding, along the flooded river Inn June 5, 2013. Chancellor Angela Merkel promised 100 million euros to victims of Germany's worst flood in a decade on Tuesday as she toured areas devastated by the deluge, which has killed 12 people across central Europe. REUTERS/Wolfgang Rattay (AUSTRIA - Tags: DISASTER ENVIRONMENT) 

Austrian fire fighters move flower pots as they clean mud from the columbarium at the cemetery in the Austrian-German border town of Schaerding, along the flooded river Inn June 5, 2013. Torrential rain in the south and south-east of Germany caused heavy flooding forcing people to evacuate their homes. REUTERS/Wolfgang Rattay (AUSTRIA - Tags: DISASTER ENVIRONMENT) 

An Austrian fire fighter cleans mud from the columbarium at the cemetery in the Austrian-German border town of Schaerding, along the flooded river Inn June 5, 2013. Torrential rain in the south and south-east of Germany caused heavy flooding forcing people to evacuate their homes. REUTERS/Wolfgang Rattay (AUSTRIA - Tags: DISASTER ENVIRONMENT) 

People react after a mini tornado in the Municipal Cemetery in Guatemala City, August 26, 2012. An unusual weather phenomenon caused alarm for hundreds of residents of the capital on Sunday, with strong winds lifting roofs and pulling trees, according to local media.
REUTERS/Jorge Dan Lopez (GUATEMALA - Tags: ENVIRONMENT SOCIETY DISASTER) 

A sign with an image of revolutionary leader Ernesto 'Che' Guevara is painted on top of crypts in the Municipal Cemetery in Guatemala City, August 6, 2012. The text reads, "Everyday people fix their hair, why not the heart?" REUTERS/Jorge Dan Lopez (GUATEMALA - Tags: SOCIETY) 

A view of the Municipal Cemetery crypts (front) and houses of the Colonia Oralia neighbourhood (background), in Guatemala City, August 6, 2012. REUTERS/Jorge Dan Lopez (GUATEMALA - Tags: SOCIETY) 

A tourist walks inside a columbarium at Hirbet Madras archaeological site, featuring ancient rebel hideouts, at the foothills of Jerusalem around the ancient city of Beit Guvrin August 23, 2011. You'll need a headlamp, a tight waistline and no fear of the dark in order to enjoy one of the most extreme, yet lesser known, archaeological wonders of the Holy Land - Ancient tunnel systems dug by Jewish rebels to fight the Roman empire. Picture taken August 23, 2011. To match Reuters Life! ISRAEL-CAVES/ REUTERS/Baz Ratner (ISRAEL - Tags: SOCIETY TRAVEL) 

Families clean the vaults of their loved ones in celebration of the Day of the Dead in Panama City November 2, 2010. REUTERS/Alberto Lowe (PANAMA - Tags: ANNIVERSARY RELIGION) 

A family of Malaysian ethnic Chinese visit their family members' columbarium at Nirvana Memorial Park in Shah Alam outside Kuala Lumpur September 5, 2010. Demand for luxury funerals is booming in Southeast Asia, driven by the rising ranks of the wealthy in the region. From $100,000 gold-plated caskets and $500,000 burial plots to high-tech ceremonies where laser beams mark a soul's symbolic ascent to heaven, a growing number of the rich are making the passage to the afterlife with the best that money can buy. Photo taken September 5, 2010. To match Reuters Life! MALAYSIA-FUNERAL/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: SOCIETY RELIGION BUSINESS) 

A salesperson talks to his potential customers at the columbarium section of Nirvana Memorial Park in Shah Alam outside Kuala Lumpur September 5, 2010. Demand for luxury funerals is booming in Southeast Asia, driven by the rising ranks of the wealthy in the region. From $100,000 gold-plated caskets and $500,000 burial plots to high-tech ceremonies where laser beams mark a soul's symbolic ascent to heaven, a growing number of the rich are making the passage to the afterlife with the best that money can buy. Photo taken September 5, 2010. To match Reuters Life! MALAYSIA-FUNERALS/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: SOCIETY RELIGION BUSINESS) 

An interior view of the columbarium house for Christian devotees at Nirvana Memorial Park in Shah Alam outside Kuala Lumpur September 5, 2010. Demand for luxury funerals is booming in Southeast Asia, driven by the rising ranks of the wealthy in the region. Photo taken September 5, 2010. To match Reuters Life! MALAYSIA-FUNERALS/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: SOCIETY RELIGION BUSINESS) 

A family of Malaysian ethnic Chinese recite prayers at their family members' columbarium at Nirvana Memorial Park in Shah Alam outside Kuala Lumpur September 5, 2010. Demand for luxury funerals is booming in Southeast Asia, driven by the rising ranks of the wealthy in the region. Photo taken September 5, 2010. To match Reuters Life! MALAYSIA-FUNERALS/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: SOCIETY RELIGION BUSINESS) 

Prospective buyers of the niches discuss at the Nirvana Memorial Garden columbarium in Singapore May 15, 2010. The so-called "six star" columbarium is Singapore's first luxury final resting place and the brainchild of Malaysian-based NV Multi Corp which has other similar projects in Southeast Asia. REUTERS/Edgar Su (SINGAPORE - Tags: RELIGION SCI TECH SOCIETY) 

A worker arranges altar tablets which light up at the tap of an access keycard at the Nirvana Memorial Garden columbarium in Singapore May 15, 2010. The so-called "six star" columbarium is Singapore's first luxury final resting place and the brainchild of Malaysian-based NV Multi Corp which has other similar projects in Southeast Asia. REUTERS/Edgar Su (SINGAPORE - Tags: RELIGION SCI TECH SOCIETY) 

Rows of unused altar tablets which light up at the tap of an access keycard sit in a niche in Nirvana Memorial Garden columbarium in Singapore May 15, 2010. The so-called "six star" columbarium is Singapore's first luxury final resting place and the brainchild of Malaysian-based NV Multi Corp which has other similar projects in Southeast Asia. REUTERS/Edgar Su (SINGAPORE - Tags: RELIGION SCI TECH SOCIETY) 

A woman prays as a worker cleans the floor at the prayer hall of Nirvana Memorial Garden columbarium in Singapore May 15, 2010. The so-called "six star" columbarium is Singapore's first luxury final resting place and the brainchild of Malaysian-based NV Multi Corp which has other similar projects in Southeast Asia. REUTERS/Edgar Su (SINGAPORE - Tags: RELIGION SCI TECH SOCIETY)