An ice carving robot for minimising human contact to avoid the spread of the coronavirus disease (COVID-19) is seen during its demonstration at a bar in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

A carved ice block made by an ice carving robot as a measure to minimise human contact to avoid the spread of the coronavirus disease (COVID-19) rests in a glass during the robot's demonstration at a bar in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

An ice carving robot carves an ice cube as a measure to minimise human contact to avoid the spread of the coronavirus disease (COVID-19) during its demonstration at a bar in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

An ice carving robot for minimising human contact to avoid the spread of the coronavirus disease (COVID-19) is seen during its demonstration at a bar in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

An ice carving robot carves an ice cube as a measure to minimise human contact to avoid the spread of the coronavirus disease (COVID-19) during its demonstration at a bar in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

Drink Bot makes a cocktail as an employee wearing a mask to avoid the spread of the coronavirus disease (COVID-19) looks on at a cafe in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

Dessert Bot is seen as an employee wearing a mask to avoid the spread of the coronavirus disease (COVID-19) takes an order at a cafe in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

An employee wearing a mask to avoid the spread of the coronavirus disease (COVID-19) works at a cafe in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

Drip Bot makes a cup of coffee as an employee wearing a mask to avoid the spread of the coronavirus disease (COVID-19) works at a cafe in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

Drink Bot makes a cocktail as a measure to minimise human contact to avoid the spread of the coronavirus disease (COVID-19) at a cafe in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

Drink Bot makes a cocktail as a measure to minimise human contact to avoid the spread of the coronavirus disease (COVID-19) at a cafe in Seoul, South Korea, June 3, 2020. Picture taken on June 3, 2020. REUTERS/Kim Hong-Ji

Damage is seen after looting of the Michael Kors store in the Manhattan borough of New York City, U.S., June 2, 2020. REUTERS/Catherine Koppel

Damage is seen after looting of the Michael Kors store in the Manhattan borough of New York City, U.S., June 2, 2020. REUTERS/Catherine Koppel

A self-driving robot sanitizes automated teller machines with UV light during its demonstration at the headquarters of SK Telecom in Seoul, South Korea, May 26, 2020. Picture taken on May 26, 2020. REUTERS/Kim Hong-Ji

A self-driving robot checks the body temperature of an employee during its demonstration at the headquarters of SK Telecom in Seoul, South Korea, May 26, 2020. Picture taken on May 26, 2020. REUTERS/Kim Hong-Ji

A self-driving robot checks a body temperature during its demonstration at the headquarter of SK Telecom in Seoul, South Korea, May 26, 2020. Picture taken on May 26, 2020. REUTERS/Kim Hong-Ji

A self-driving robot sanitizes a wall with UV light during its demonstration at the headquarters of SK Telecom in Seoul, South Korea, May 26, 2020. Picture taken on May 26, 2020. REUTERS/Kim Hong-Ji

A self-driving robot travels during its demonstration at the headquarters of SK Telecom in Seoul, South Korea, May 26, 2020. Picture taken on May 26, 2020. REUTERS/Kim Hong-Ji

Buddhist believers pray as they place incense during a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

Buddhist believers attend a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

Buddhist believer clasps her hands as she attends a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

Buddhist believers attend a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

A monk is seen before a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji TPX IMAGES OF THE DAY

Buddhist believers attend a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

Buddhist believers attend a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

Buddhist believers attend a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

Buddhist believers attend a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

Buddhist believers attend a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

Buddhist believers attend a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

A Buddhist believer attends a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji TPX IMAGES OF THE DAY

Buddhist believers attend a ceremony celebrating the anniversary of the birth of Buddha at a Jogye temple amid the coronavirus disease (COVID-19) outbreak in Seoul, South Korea, May 30, 2020. REUTERS/Kim Hong-Ji

A worker wearing a protective face mask attaches prayer petitions to lotus lanterns in preparation for the upcoming anniversary of the birth of Buddha at a temple in Seoul during the coronavirus disease (COVID-19) outbreak, in Seoul, South Korea, May 30, 2020. REUTERS/KIM HONG-JI

People wearing masks walk in Myeongdong shopping district amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A woman poses for photographs in front of a luxury shop amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A couple wearing masks walk past closed shops amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Myeongdong shopping district in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A woman looks on products on display at a luxury shop amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

People wearing masks walk at Myeongdong shopping district amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A shopkeeper wearing a mask waits for customers at a traditional market, amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A woman wearing a mask walks at a traditional market, amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A woman wearing a mask walks amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Myeongdong shopping district in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A shopkeeper wearing a mask waits for a customer at a traditional market, amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A woman wearing a mask looks at her mobile phone amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Myeongdong shopping district in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A woman shops at a jewerly shop amid social distancing measures to avoid the spread of the coronavirus disease (COVID-19), in Myeongdong shopping district in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A woman in a face shield and mask waits to cross a street, amid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A man in a face mask walks along a traditional market, amid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

Pedestrians in face masks cross a street, amid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

Pedestrians in face masks wait to cross a zebra crossing, amid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

A woman in a face mask crosses a zebra crossing, amid the spread of the coronavirus disease (COVID-19), in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

People wear masks to avoid the spread of the coronavirus disease (COVID-19) in Seoul, South Korea, May 28, 2020. REUTERS/Kim Hong-Ji

People pass a closed Michael Kors boutique amid the coronavirus disease (COVID-19) outbreak in Singapore May 27, 2020. REUTERS/Edgar Su

Customers wait at a cafe where a robot that takes orders, makes coffee and brings the drinks straight to customers is being used in Daejeon, South Korea, May 25, 2020. REUTERS/Kim Hong-Ji

Customers wait at a cafe where a robot that takes orders, makes coffee and brings the drinks straight to customers is being used in Daejeon, South Korea, May 25, 2020. REUTERS/Kim Hong-Ji

Customers place an order at a cafe where a robot that takes orders, makes coffee and brings the drinks straight to customers is being used in Daejeon, South Korea, May 25, 2020. REUTERS/Kim Hong-Ji

A robot that takes orders, makes coffee and brings the drinks straight to customers delivers an order in a cafe in Daejeon, South Korea, May 25, 2020. REUTERS/Kim Hong-Ji

A robot that takes orders, makes coffee and brings the drinks straight to customers delivers an order in a cafe in Daejeon, South Korea, May 25, 2020. REUTERS/Kim Hong-Ji

A robot that takes orders, makes coffee and brings the drinks straight to customers is seen in a cafe in Daejeon, South Korea, May 25, 2020. REUTERS/Kim Hong-Ji

A robot that takes orders, makes coffee and brings the drinks straight to customers is seen in a cafe in Daejeon, South Korea, May 25, 2020. REUTERS/Kim Hong-Ji

Robots that take orders, make coffee and bring the drinks straight to customers are charged in a cafe Daejeon, South Korea, May 25, 2020. REUTERS/Kim Hong-Ji

A robot that takes orders, makes coffee and brings the drinks straight to customers is seen in a cafe Daejeon, South Korea, May 25, 2020. REUTERS/Kim Hong-Ji

A robot that takes orders, makes coffee and brings the drinks straight to customers is seen in Daejeon, South Korea, May 25, 2020. REUTERS/Kim Hong-Ji