People make origami cranes at the memorial site for a man who died after falling from a scaffolding at the Pacific Place complex while protesting against extradition bill in Hong Kong, China June 17, 2019. REUTERS/Jorge Silva

A woman holds an origami crane at the memorial site for a man who died after falling from a scaffolding at the Pacific Place complex while protesting against extradition bill in Hong Kong, China June 17, 2019. REUTERS/Jorge Silva

Francie DeLeon (L) and Saundra Foe fold "Peace in our Lifetime" origami peace cranes during a private friends and family gathering before the grand opening of the Aurora Theater shooting memorial in Aurora, Colorado, U.S., July 27, 2018. REUTERS/Leah Millis SEARCH "COLUMBINE SURVIVOR" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY - NO STAND-ALONE USES.

Mass shooting survivors Heather Martin of Columbine and Becca La Creta of Virginia Tech carry a box of origami peace cranes after attending the grand opening of the Aurora Theater shooting memorial in Aurora, Colorado, U.S., July 27, 2018. REUTERS/Leah Millis SEARCH "COLUMBINE SURVIVOR" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY - NO STAND-ALONE USES.

Filipino lawyer and entrepreneur Alex Castro delivers a bouquet of origami flowers to a customer in Quezon City, Philippines, February 13, 2019. REUTERS/Eloisa Lopez

A bouquet of origami roses to be sold ahead of Valentines Day is pictured in Quezon City, Philippines, February 13, 2019. REUTERS/Eloisa Lopez

Origami sunflowers to be sold ahead of Valentines Day are pictured in Quezon City, Philippines, February 13, 2019. REUTERS/Eloisa Lopez

Filipino lawyer and entrepreneur Alex Castro holds bouquets of origami flowers to delivered to clients in Quezon City, Philippines, February 13, 2019. REUTERS/Eloisa Lopez

Filipino entrepreneurs prepare a bouquet of origami roses to be sold ahead of Valentines Day, in Quezon City, Philippines, February 13, 2019. REUTERS/Eloisa Lopez

Filipino lawyer and entrepreneur Alex Castro makes origami flowers to be sold ahead of Valentines Day, in Quezon City, Philippines, February 13, 2019. REUTERS/Eloisa Lopez

Filipino lawyer and entrepreneur Alex Castro makes origami flowers to be sold ahead of Valentines Day, in Quezon City, Philippines, February 12, 2019. Picture taken February 12, 2019. REUTERS/Eloisa Lopez

Filipino entrepreneurs Ann Rodrigues and Alex Castro make origami flowers to be sold ahead of Valentines Day, in Quezon City, Philippines, February 13, 2019. REUTERS/Eloisa Lopez

Filipino entrepreneurs Ann Rodrigues and Alex Castro make origami flowers to be sold ahead of Valentines Day, in Quezon City, Philippines, February 13, 2019. REUTERS/Eloisa Lopez

A Filipino entrepreneur makes an origami flower to be sold ahead of Valentines Day, in Quezon City, Philippines, February 13, 2019. REUTERS/Eloisa Lopez

Paper boats are seen placed during a protest against the seizure by Russian special forces of three of the Ukrainian navy ships, which Russia blocked from passing through the Kerch Strait into the Sea of Azov in the Black Sea, in front of the Russian embassy in Kiev, Ukraine November 25, 2018.

Paper boats are seen placed during a protest against the seizure by Russian special forces of three of the Ukrainian navy ships, which Russia blocked from passing through the Kerch Strait into the Sea of Azov in the Black Sea, in front of the Russian embassy in Kiev, Ukraine November 25, 2018. REUTERS/Gleb Garanich

An origami crane rests over a name at the south reflecting pool at the National September 11 Memorial and Museum in lower Manhattan on the 16th anniversary of the 9/11 attacks in New York City, U.S., September 11, 2017. REUTERS/Darrin Zammit Lupi

Origami Labs co-founder and CEO Kevin Wong and his visually impaired father Peter test an Orii smart ring at Hong Kong Cyberport in Hong Kong, China August 3, 2017. Picture taken August 3, 2017. REUTERS/Bobby Yip

Orii smart rings with various colours are displayed in this illustration photo, at Origami Labs at Hong Kong Cyberport in Hong Kong, China August 3, 2017. Picture taken August 3, 2017. REUTERS/Bobby Yip/Illustration Photo

A green light blinks on an Orii smart ring after a Bluetooth connection in this illustration photo, at Origami Labs at Hong Kong Cyberport in Hong Kong, China August 3, 2017. Picture taken August 3, 2017. REUTERS/Bobby Yip/Illustration Photo

Origami Labs co-founder and CEO Kevin Wong (L) and his visually impaired father Peter test an Orii smart ring at Hong Kong Cyberport in Hong Kong, China August 3, 2017. Picture taken August 3, 2017. REUTERS/Bobby Yip

Origami Labs co-founder Emile Chan poses with an Orii smart ring at Hong Kong Cyberport in Hong Kong, China August 3, 2017. Picture taken August 3, 2017. REUTERS/Bobby Yip

An app controlling what an Orii smart ring will handle is seen on a smartphone, at Origami Labs at Hong Kong Cyberport in Hong Kong, China August 3, 2017. Picture taken August 3, 2017. REUTERS/Bobby Yip

An Orii smart ring is displayed beside a smartphone with a related app in this illustration photo, at Origami Labs at Hong Kong Cyberport in Hong Kong, China August 3, 2017. Picture taken August 3, 2017. REUTERS/Bobby Yip/Illustration Photo

Origami Labs co-founder Emile Chan poses with an Orii smart ring at Hong Kong Cyberport in Hong Kong, China August 3, 2017. Picture taken August 3, 2017. REUTERS/Bobby Yip

An app controlling what an Orii smart ring will handle is seen on a smartphone in this illustration photo, at Origami Labs at Hong Kong Cyberport in Hong Kong, China August 3, 2017. Picture taken August 3, 2017. REUTERS/Bobby Yip/Illustration Photo

Origami cranes hang near names of some of the 227 men, women and children who were marched off the island to camps in 1942, at the Japanese American Exclusion Memorial on Puget Sound's Bainbridge Island, Washington, U.S. February 12, 2017. The island's Japanese-American community was the first to be sent to World War Two internment camps after President Franklin D. Roosevelt signed executive order 9066 75 years ago, on February 19, 1942. Picture taken February 12, 2017. REUTERS/Chris Helgren

Origami cranes hang near names of some of the 227 men, women and children who were marched off the island to camps in 1942, at the Japanese American Exclusion Memorial on Puget Sound's Bainbridge Island, Washington, U.S. February 12, 2017. The island's Japanese-American community was the first to be sent to World War Two internment camps after President Theodore Roosevelt signed executive order 9066 75 years ago, on February 19, 1942. Picture taken February 12, 2017. REUTERS/Chris Helgren

A man with a yellow origami umbrella, symbol of the Occupy Central civil disobedience movement, takes part in the second anniversary of the movement outside government headquarters in Hong Kong, China September 28, 2016. REUTERS/Bobby Yip TPX IMAGES OF THE DAY

A man with a yellow origami umbrella, symbol of the Occupy Central civil disobedience movement, takes part in the second anniversary of the movement outside government headquarters in Hong Kong, China September 28, 2016. REUTERS/Bobby Yip

A schoolgirl holding a yellow origami umbrella, symbol of the Occupy Central civil disobedience movement, as she takes part in the second anniversary of the movement outside government headquarters in Hong Kong, China September 28, 2016. REUTERS/Bobby Yip

Syrian refugee women stand near origami shaped as boats as they take part in a performance in Beirut December 3, 2015. Picture taken December 3, 2015. REUTERS/Alia Haju

Venezuelan bolivar banknotes and a U.S. dollar banknote, folded as boats, are seen at the counter of a fruit and vegetable store in Caracas July 10, 2015. Origami-like boats made from Venezuela's rapidly depreciating bolivar bills sit on the cash register of the small fruit and vegetable store in Caracas. Cashier Marisol Garcia makes the bolivar boats to illustrate roaring inflation and the currency's tumble on the black market, where even the country's biggest bill is worth just 16 U.S. cents. REUTERS/Marco Bello

Venezuelan bolivar banknotes and a U.S. dollar banknote, folded as boats, are seen at a fruit and vegetable store in Caracas July 10, 2015. Origami-like boats made from Venezuela's rapidly depreciating bolivar bills sit on the cash register of the small fruit and vegetable store in Caracas. Cashier Marisol Garcia makes the bolivar boats to illustrate roaring inflation and the currency's tumble on the black market, where even the country's biggest bill is worth just 16 U.S. cents. REUTERS/Marco Bello

Origami cranes folded from pieces of paper with Japan's war-renouncing Article 9 written on them are displayed at an exhibition about the 1945 atomic bombings in Higashihiroshima, western Japan, March 26, 2015. A U.S. bomber dropped the atomic bomb on Hiroshima on August 6, 1945, killing about 140,000 by the end of the year, out of the 350,000 who lived in the city. The city still has some 60,000 survivors but their average age is approaching 80. Picture taken March 26, 2015. REUTERS/Issei Kato

Pro-democracy protesters sit behind origami in the shape of umbrellas, symbol of the Occupy civil disobedience movement, on half of a road occupied by them at Causeway Bay shopping district in Hong Kong October 26, 2014. Protest leaders suspended a straw poll on government proposals on Sunday October 26, 2014 due to differing views but stressed it does not mean an end to the movement. REUTERS/Bobby Yip (CHINA - Tags: POLITICS BUSINESS CIVIL UNREST)

A police officer stands behind origami paper cranes at a protest site after some barricades were removed, at the commercial area of Causeway Bay in Hong Kong October 14, 2014. Hong Kong police began a second day on Tuesday of removing some barricades erected by pro-democracy protesters in the bustling shopping district of Causeway Bay. REUTERS/Carlos Barria (CHINA - Tags: CIVIL UNREST POLITICS TPX IMAGES OF THE DAY)

Residents launch paper boats during celebrations for the 69th anniversary of the end of World War Two in the far eastern city of Vladivostok, September 2, 2014. The holiday, marking the victory over Japan in World War II, is a Russian national memorial day, established by then President Dmitry Medvedev and approved by the Russian State Duma and the Federation Council on July 23, 2010. REUTERS/Yuri Maltsev (RUSSIA - Tags: POLITICS ANNIVERSARY CONFLICT)

A family member of a victim onboard the capsized Sewol ferry, releases a paper boat bearing a dedication to the victims as he prays for the missing and dead passengers at a port where many family members are waiting for news from the search and rescue team in Jindo April 25, 2014. More than 300 people, most of them students and teachers from the Danwon High School, are dead or missing presumed dead after the April 16 disaster. The Sewol ferry, weighing almost 7,000 tons, sank on a routine trip from the port of Incheon, near Seoul, to the southern holiday island of Jeju.
REUTERS/Kim Kyung-Hoon (SOUTH KOREA - Tags: DISASTER MARITIME TPX IMAGES OF THE DAY)

Members of the media and Tokyo Electric Power Co. (TEPCO) employees, wearing protective suits and masks, walk alongside a wall lined with thousands of paper cranes inside the main anti-earthquake building at the tsunami-crippled TEPCO's Fukushima Daiichi nuclear power plant in Fukushima prefecture March 10, 2014, a day before the third anniversary of the March 11, 2011 earthquake and tsunami. Members of the media were allowed into the plant on Monday a day before the anniversary of the disaster, which triggered the world's worst nuclear crisis since Chernobyl. REUTERS/Toru Hanai (JAPAN - Tags: ANNIVERSARY DISASTER ENERGY ENVIRONMENT MEDIA)

A child holds an Origami crane, a symbol of peace, made with a Ming Pao newspaper during a march against violence on journalists in Hong Kong March 2,2014. People are taking part in the demonstration to show support for freedom of the press following the brutal attack on Kevin Lau, the former chief editor of the Ming Pao newspaper on February 26, 2014. REUTERS/Tyrone Siu (CHINA - Tags: CRIME LAW CIVIL UNREST)

Maho Yamaguchi, 20, wears a kimono with origami accessories on her hair as she poses after a ceremony celebrating Coming of Age Day at an amusement park in Tokyo January 13, 2014. According to a government announcement, about 1,210,000 men and women who were born in 1993 reached coming of age this year and the number is 10,000 less people than last year. The figure is the smallest number since the government started counting in 1968. REUTERS/Yuya Shino (JAPAN - Tags: SOCIETY)

Vanessa, 13, who was picked up by the police on the streets, works on an origami at a shelter for girls who have faced sexual violence or sexual commercial exploitation, where she was sheltered after undergoing treatment for crack cocaine abuse, in Fortaleza November 1, 2013. With Brazil hosting the World Cup next year, officials fear an explosion in child prostitution as sex workers migrate to big cities and pimps recruit more underage prostitutes to meet the demand from local and foreign soccer fans. Picture taken November 1, 2013. To match Feature BRAZIL-PROSTITUTION/ REUTERS/Ricardo Moraes (BRAZIL - Tags: CIVIL UNREST CRIME LAW SOCIETY)

A man buys a paper origami rose along Paseig de Gracia street during the traditional Sant Jordi's day celebrations in central Barcelona April 23, 2013. Sant Jordi is the patron saint of Catalunya and traditionally, the man gives a rose to his girl and she gives him a book. REUTERS/Gustau Nacarino (SPAIN - Tags: SOCIETY)

A five-metre (16 feet) high sculpture of late Hong Kong singer and actor Leslie Cheung, along with some 1,900,119 origami cranes from fans around the world (inside red cube), certified by the Guinness World Records as "the largest display of origami cranes", are displayed at a shopping mall in Hong Kong March 30, 2013. Exhibitions, concerts and tribute events will be held in Hong Kong to mark the 10th anniversary of the death of canto-pop singer and movie idol Cheung, who leapt to his death from a hotel in Hong Kong on April 1, 2003. REUTERS/Bobby Yip (CHINA - Tags: ENTERTAINMENT ANNIVERSARY)

Daffy Tong Hok-Tak, partner of the late Hong Kong singer and actor Leslie Cheung, holds an origami crane at an exhibition in tribute to Cheung at a shopping mall in Hong Kong March 30, 2013. Exhibitions, concerts and tribute events will be held in Hong Kong to mark the 10th anniversary of the death of canto-pop singer and movie idol Cheung, who leapt to his death from a hotel in Hong Kong on April 1, 2003. REUTERS/Bobby Yip (CHINA - Tags: ENTERTAINMENT ANNIVERSARY)

A five-metre (16 feet) high sculpture featuring the late Hong Kong singer and actor Leslie Cheung holding an origami crane is displayed at a shopping mall in Hong Kong March 30, 2013. Exhibitions, concerts and tribute events will be held in Hong Kong to mark the 10th anniversary of the death of canto-pop singer and movie idol Cheung, who leapt to his death from a hotel in Hong Kong on April 1, 2003. REUTERS/Bobby Yip (CHINA - Tags: ENTERTAINMENT ANNIVERSARY)

Daffy Tong Hok-Tak, partner of the late Hong Kong singer and actor Leslie Cheung, poses in front of a five-metre (16 feet) high sculpture featuring Cheung holding an origami crane at a shopping mall in Hong Kong March 30, 2013. Exhibitions, concerts and tribute events will be held in Hong Kong to mark the 10th anniversary of the death of canto-pop singer and movie idol Cheung, who leapt to his death from a hotel in Hong Kong on April 1, 2003. REUTERS/Bobby Yip (CHINA - Tags: ENTERTAINMENT ANNIVERSARY)

Daffy Tong Hok-Tak, partner of the late Hong Kong singer and actor Leslie Cheung, poses in front of a five-metre (16 feet) high sculpture featuring Cheung holding an origami crane at a shopping mall in Hong Kong March 30, 2013. Exhibitions, concerts and tribute events will be held in Hong Kong to mark the 10th anniversary of the death of canto-pop singer and movie idol Cheung, who leapt to his death from a hotel in Hong Kong on April 1, 2003. REUTERS/Bobby Yip (CHINA - Tags: ENTERTAINMENT ANNIVERSARY)

Origami cranes made by fans of the late Hong Kong singer and actor Leslie Cheung are counted, in an attempt to set the Guinness world record for the largest number of origami cranes exhibited, at a shopping mall in Hong Kong March 27, 2013. Exhibitions and concerts will be held in Hong Kong to mark the 10th anniversary of the death of canto-pop singer and movie idol Cheung, who leapt to his death from a hotel in Hong Kong on April 1, 2003. REUTERS/Bobby Yip (CHINA - Tags: ENTERTAINMENT ANNIVERSARY)

A worker puts the finishing touches to a five-metre (16-feet) tall bust of the late Hong Kong singer and actor Leslie Cheung as origami cranes, folded by fans from around the world in their attempt to set a Guinness world record for the largest number of origami cranes exhibited, are counted at a shopping mall in Hong Kong March 27, 2013. Exhibitions and concerts will be held in Hong Kong to mark the 10th anniversary of the death of canto-pop singer and movie idol Cheung, who leapt to his death from a hotel in Hong Kong on April 1, 2003. REUTERS/Bobby Yip (CHINA - Tags: ENTERTAINMENT ANNIVERSARY)

Russian artist Roman Uglev attaches origami to sculptures of Vladimir Lenin (C), the founder of the Soviet Union, and other Bolshevik leaders, on the eve of the 95th anniversary of the October 1917 revolution marked on November 7, during the traditional Museum Night of modern art at the Museum Centre of Russia's Siberian city of Krasnoyarsk November 4, 2012. Participants from Germany, Poland, France and Russia took part in the Museum Night exhibitions. REUTERS/Ilya Naymushin (RUSSIA - Tags: ENTERTAINMENT POLITICS)

A student attends an origami class in the village of Tigritskoye, some 502 km (312 miles) south of the Russia's Siberian city of Krasnoyarsk October 14, 2012. The class is conducted by Sergei Tarasov, 42, a school teacher who built models of Moscow's Saint Basil Cathedral and Svyato-Spassky Cathedral of the town of Minusinsk using modular origami. He spent a year on each landmark building and up to 60000 units of folded origami on each of his creation. Picture taken October 14, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY)

Students attend an origami class in the village of Tigritskoye, some 502 km (312 miles) south of the Russia's Siberian city of Krasnoyarsk October 14, 2012. The class is conducted by Sergei Tarasov, 42, a school teacher who built models of Moscow's Saint Basil Cathedral and Svyato-Spassky Cathedral of the town of Minusinsk using modular origami. He spent a year on each landmark building and up to 60000 units of folded origami on each of his creation. Picture taken October 14, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY)

Sergei Tarasov, 42, a school teacher, make final touches to his modular origami model of the Svyato-Spassky Cathedral in Southern Siberia's town Minusinsk, at home in village of Tigritskoye, some 502 km (312 miles) south of the Russia's Siberian city of Krasnoyarsk October 14, 2012. Tarasov spent a year for each model landmark, often using up 60000 units of folded origami on each of his creation. Picture taken October 14, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY)

Sergei Tarasov, 42, a school teacher, puts final touches to his modular origami model of the Moscow's Saint Basil's Cathedral, at home in the village of Tigritskoye, some 502 km (312 miles) south of the Russia's Siberian city of Krasnoyarsk October 14, 2012. Tarasov spent a year for each model landmark, using up 60000 units of folded origami on each of his creation. Picture taken October 14, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY RELIGION)

Sergei Tarasov, 42, a school teacher, puts final touches to his modular origami model of the Moscow's Saint Basil's Cathedral, at home in the village of Tigritskoye, some 502 km (312 miles) south of the Russia's Siberian city of Krasnoyarsk October 14, 2012. Tarasov spent a year for each model landmark, using up 60000 units of folded origami on each of his creation. Picture taken October 14, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY RELIGION)

Sergei Tarasov, 42, a school teacher, makes final touches to his modular origami model of the Moscow's Saint Basil's Cathedral, at home in the village of Tigritskoye, some 502 km (312 miles) south of the Russia's Siberian city of Krasnoyarsk October 14, 2012. Tarasov spent a year for each model landmark, often using up 60000 units of folded origami on each of his creation. Picture taken October 14, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY RELIGION)

Sergei Tarasov, 42, a school teacher, make final touches to his modular origami model of the Svyato-Spassky Cathedral in Southern Siberia's town Minusinsk, at home in village of Tigritskoye, some 502 km (312 miles) south of the Russia's Siberian city of Krasnoyarsk October 14, 2012. Tarasov spent a year for each model landmark, often using up 60000 units of folded origami on each of his creation. Picture taken October 14, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY)

Sergei Tarasov, 42, a school teacher, looks at his modular origami model of the Moscow's Saint Basil's Cathedral, at home in the village of Tigritskoye, some 502 km (312 miles) south of the Russia's Siberian city of Krasnoyarsk October 14, 2012. Tarasov spent a year for each model landmark, often using up 60000 units of folded origami on each of his creation. Picture taken October 14, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY RELIGION TPX IMAGES OF THE DAY)