Empty soda bottles depicting members of K-pop boy band BTS are placed on display at the room of their fan Kim Seo-hyeon in Seoul, South Korea, September 23, 2020. Picture taken September 23, 2020. REUTERS/Kim Hong-Ji

Kim Seo-hyeon, a fan of K-pop boy band BTS, enjoys her time at home in Seoul, South Korea, September 23, 2020. Picture taken September 23, 2020. REUTERS/Kim Hong-Ji

Cafe owner Kim Eun-hee, fan of K-pop boy band BTS, wipes the dust off the picture frame in her cafe in Seoul, South Korea, September 24, 2020. Picture taken September 24, 2020. REUTERS/Heo Ran

Kim Seo-hyeon, a fan of K-pop boy band BTS, works on a mosaic depicting band member J-Hope with her sister at their home in Seoul, South Korea, September 23, 2020. Picture taken September 23, 2020. REUTERS/Kim Hong-Ji

Cafe owner Kim Eun-hee, fan of K-pop boy band BTS, gestures during an interview with Reuters in her cafe in Seoul, South Korea, September 24, 2020. Picture taken September 24, 2020. REUTERS/Heo Ran

Kim Seo-hyeon, a fan of K-pop boy band BTS, watches a video clip of BTS performance at her room in Seoul, South Korea, September 23, 2020. Picture taken September 23, 2020. REUTERS/Kim Hong-Ji

Kang Lucia, fan of K-pop boy band BTS, takes a selfie at a cafe decorated with photos and merchandise of them, in Seoul, South Korea, September 24, 2020. Picture taken September 24, 2020. REUTERS/Heo Ran

Cafe owner Kim Eun-hee, fan of K-pop boy band BTS, speaks to Reuters during an interview in her cafe in Seoul, South Korea, September 24, 2020. Picture taken September 24, 2020. REUTERS/Heo Ran

Cafe owner Kim Eun-hee, fan of K-pop boy band BTS, cleans desks with disinfectant in her cafe in Seoul, South Korea, September 24, 2020. Picture taken September 24, 2020. REUTERS/Heo Ran

Kim Seo-hyeon, a fan of K-pop boy band BTS, watches a video clip of BTS performance at her room in Seoul, South Korea, September 23, 2020. Picture taken September 23, 2020. REUTERS/Kim Hong-Ji

Kang Lucia, fan of K-pop boy band BTS, takes a selfie at a cafe decorated with photos and merchandise of them, in Seoul, South Korea, September 24, 2020. Picture taken September 24, 2020. REUTERS/Heo Ran

A couple wearing masks rides on an escalator amid the coronavirus disease (COVID-19) pandemic at a giant mall in Seoul, South Korea, September 22, 2020. REUTERS/Kim Hong-Ji

Customers shop amid the coronavirus disease (COVID-19) pandemic at a giant mall in Seoul, South Korea, September 22, 2020. REUTERS/Kim Hong-Ji

A woman wearing a mask reads a book amid the coronavirus disease (COVID-19) pandemic at a book store in a giant mall in Seoul, South Korea, September 22, 2020. REUTERS/Kim Hong-Ji

An employee cleans a handrail of an escalator amid the coronavirus disease (COVID-19) pandemic at a giant mall in Seoul, South Korea, September 22, 2020. REUTERS/Kim Hong-Ji

Visitors read books amid the coronavirus disease (COVID-19) pandemic at a book store in a giant mall in Seoul, South Korea, September 22, 2020. REUTERS/Kim Hong-Ji

Customers shop electronic devices amid the coronavirus disease (COVID-19) pandemic at a giant mall in Seoul, South Korea, September 22, 2020. REUTERS/Kim Hong-Ji

A woman wearing a mask rides on an escalator amid the coronavirus disease (COVID-19) pandemic at a giant mall in Seoul, South Korea, September 22, 2020. REUTERS/Kim Hong-Ji

Customers shop amid the coronavirus disease (COVID-19) pandemic at a giant mall in Seoul, South Korea, September 22, 2020. REUTERS/Kim Hong-Ji

A sculpture of brother and sister is pictured with protective masks on, as people stroll in a park amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji

Children warm up as they rollerblade in front of artificial full moons installed at a park as a wish to overcome the coronavirus disease (COVID-19) and to celebrate the upcoming Chuseok holiday, the Korean Thanksgiving Day, in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji

Children look at artificial full moons installed at a park as a wish to overcome the coronavirus disease (COVID-19) and celebrate upcoming Chuseok holiday, the Korean Thanksgiving Day, in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji

People exercise next to artificial full moons installed at a park as a wish to overcome the coronavirus disease (COVID-19) and celebrate upcoming Chuseok holiday, the Korean Thanksgiving Day, in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji

A man looks at his phone next to artificial full moons installed at a park as a wish to overcome the coronavirus disease (COVID-19) and celebrate upcoming Chuseok holiday, the Korean Thanksgiving Day, in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji

A woman takes a picture of artificial full moons installed at a park as a wish to overcome the coronavirus disease (COVID-19) and celebrate upcoming Chuseok holiday, the Korean Thanksgiving Day, in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji

A girl stands next to artificial full moons installed at a park as a wish to overcome the coronavirus disease (COVID-19) and celebrate upcoming Chuseok holiday, the Korean Thanksgiving Day, in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji

A person takes a picture of an artificial full moon installed at a park as a wish to overcome the coronavirus disease (COVID-19) and celebrate upcoming Chuseok holiday, the Korean Thanksgiving Day, in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji

A girl takes a picture of artificial full moons installed at a park as a wish to overcome the coronavirus disease (COVID-19) and celebrate upcoming Chuseok holiday, the Korean Thanksgiving Day, in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji

A girl poses in front of artificial full moons installed at a park as a wish to overcome the coronavirus disease (COVID-19) and celebrate upcoming Chuseok holiday, the Korean Thanksgiving Day, in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji

A woman rides a bike next to artificial full moons installed at a park as a wish to overcome the coronavirus disease (COVID-19) and celebrate upcoming Chuseok holiday, the Korean Thanksgiving Day, in Seoul, South Korea, September 21, 2020. REUTERS/Kim Hong-Ji TPX IMAGES OF THE DAY

A government official sanitizes a street where day workers gathered to seek a job amid the coronavirus disease (COVID-19) pandemic as day workers look on in Seoul, South Korea, September 17, 2020. REUTERS.Kim Hong-Ji

A government official sanitizes a street in front of a massage shop amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, September 17, 2020. REUTERS.Kim Hong-Ji

A government official sanitizes a street as day workers gather to seek a job amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, September 17, 2020. REUTERS.Kim Hong-Ji

A government official sanitizes a street as day workers gather to seek a job amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, September 17, 2020. REUTERS.Kim Hong-Ji

North Korean soldiers keep watch toward the south as South Korean Unification Minister Lee In-young inspects (not pictured) the truce village of Panmunjom inside the demilitarized zone separating the two Koreas, South Korea, September 16, 2020. Korea Pool/Pool via REUTERS

South Korean Unification Minister Lee In-young inspects the Peace House at the truce village of Panmunjom inside the demilitarized zone separating the two Koreas, South Korea, September 16, 2020. Korea Pool/Pool via REUTERS

North Korean soldiers keep watch toward the south as South Korean Unification Minister Lee In-young inspects (not pictured) the truce village of Panmunjom inside the demilitarized zone separating the two Koreas, South Korea, September 16, 2020. Korea Pool/Pool via REUTERS

South Korean Unification Minister Lee In-young inspects the inter-Korean hotline at the truce village of Panmunjom inside the demilitarized zone separating the two Koreas, South Korea, September 16, 2020. Korea Pool/Pool via REUTERS

South Korean Unification Minister Lee In-young inspects the inter-Korean hotline at the truce village of Panmunjom inside the demilitarized zone separating the two Koreas, South Korea, September 16, 2020. Korea Pool/Pool via REUTERS

South Korean and U.S. Army soldiers stand guard at the truce village of Panmunjom inside the demilitarized zone separating the two Koreas, South Korea, September 16, 2020. Korea Pool/Pool via REUTERS

South Korean Unification Minister Lee In-young gets a briefing from a U.S. Army official at the truce village of Panmunjom inside the demilitarized zone separating the two Koreas, South Korea, September 16, 2020. Korea Pool/Pool via REUTERS

A man fishes amid the coronavirus disease (COVID-19) pandemic at a Han river park in Seoul, South Korea, September 16, 2020. REUTERS/Kim Hong-Ji

People work out at an outdoor gym amid the coronavirus disease (COVID-19) pandemic at a Han river park in Seoul, South Korea, September 16, 2020. REUTERS/Kim Hong-Ji

A man works out at an outdoor gym amid the coronavirus disease (COVID-19) pandemic at a Han river park in Seoul, South Korea, September 16, 2020. REUTERS/Kim Hong-Ji

People work out at an outdoor gym amid the coronavirus disease (COVID-19) pandemic at a Han river park in Seoul, South Korea, September 16, 2020. REUTERS/Kim Hong-Ji

Women rest beneath a bridge amid the coronavirus disease (COVID-19) pandemic at a Han river park in Seoul, South Korea, September 16, 2020. REUTERS/Kim Hong-Ji

An artificial intelligence serving robot is seen during a demonstration at a restaurant in Seoul, South Korea, September 15, 2020. REUTERS/Kim Hong-Ji

An employee puts a meal on an artificial intelligence serving robot during a demonstration at a restaurant in Seoul, South Korea, September 15, 2020. REUTERS/Kim Hong-Ji

An employee stands beside an artificial intelligence serving robot during a demonstration at a restaurant in Seoul, South Korea, September 15, 2020. REUTERS/Kim Hong-Ji

An artificial intelligence serving robot moves during a demonstration at a restaurant in Seoul, South Korea, September 15, 2020. REUTERS/Kim Hong-Ji

A employee works at a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

An employee works beside the Atom Probe Tomography at National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

Employees work at a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

An employee wears cleanroom garment before getting into a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

A employee works at a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

Semiconductor testing equipments are seen at a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

A employee works at a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

A father takes a photograph of his son at the beach amid the coronavirus disease (COVID-19) pandemic in Incheon, South Korea, September 13, 2020. REUTERS/Kim Hong-Ji

A family enjoys a late summer day at the beach amid the coronavirus disease (COVID-19) pandemic in Incheon, South Korea, September 13, 2020. REUTERS/Kim Hong-Ji

A family wearing protective masks takes selfies at the beach amid the coronavirus disease (COVID-19) pandemic in Incheon, South Korea, September 13, 2020. REUTERS/Kim Hong-Ji