A man looks at a sign with messages attached to a telephone box on South Molton Street in London, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 26, 2020. REUTERS/Peter Nicholls

A man writes on a sign attached to a telephone box on South Molton Street in London, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 26, 2020. REUTERS/Peter Nicholls

A sign is seen attached to a telephone box on South Molton Street in London, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 26, 2020. REUTERS/Peter Nicholls

A sign is seen by a telephone box in Pilsley, following the outbreak of the coronavirus disease (COVID-19), Pilsley, Britain, May 23, 2020. REUTERS/Carl Recine

Pharmacist Susan Holgate talks on the telephone in the Critical Care Unit at The Royal Blackburn Teaching Hospital in East Lancashire, following the outbreak of the coronavirus disease (COVID-19) in Blackburn, Britain, May 14, 2020. Picture taken May 14, 2020. REUTERS/Hannah McKay/Pool

A woman wearing a protective face mask walks by a telephone box in Westminster, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 11, 2020. REUTERS/Hannah Mckay

A man wearing a protective face mask walks by a telephone box in Westminster, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 11, 2020. REUTERS/Hannah Mckay

German Economy Minister Peter Altmaier makes a telephone call prior to the weekly cabinet meeting at the Chancellery in Berlin, Germany, April 29, 2020. Michael Sohn/Pool via REUTERS

A view shows a telephone box used as a book exchange shop, as the spread of the coronavirus disease (COVID-19) continues, in Draughton, Britain April 24, 2020. REUTERS/Lee Smith

A view shows a telephone box used as a book exchange shop, as the spread of the coronavirus disease (COVID-19) continues, in Draughton, Britain April 24, 2020. REUTERS/Lee Smith

Detail of a red telephone box used as a community art gallery, as the spread of the coronavirus disease (COVID-19) continues, in Settle, Yorkshire, Britain April 24, 2020. REUTERS/Lee Smith

People look at pictures inside a red telephone box used as a community art gallery, as the spread of the coronavirus disease (COVID-19) continues, in Settle, Yorkshire, Britain April 24, 2020. REUTERS/Lee Smith

A boy looks at pictures inside a red telephone box used as a community art gallery, as the spread of the coronavirus disease (COVID-19) continues, in Settle, Yorkshire, Britain April 24, 2020. REUTERS/Lee Smith

Detail of a red telephone box used as a community art gallery, as the spread of the coronavirus disease (COVID-19) continues, in Settle, Yorkshire, Britain April 24, 2020. REUTERS/Lee Smith

Pictures are seen inside a red telephone box used as a community art gallery, as the spread of the coronavirus disease (COVID-19) continues, in Settle, Yorkshire, Britain April 24, 2020. REUTERS/Lee Smith

People look at pictures inside a red telephone box used as a community art gallery, as the spread of the coronavirus disease (COVID-19) continues, in Settle, Yorkshire, Britain April 24, 2020. REUTERS/Lee Smith

Pictures are seen inside a red telephone box used as a community art gallery, as the spread of the coronavirus disease (COVID-19) continues, in Settle, Yorkshire, Britain April 24, 2020. REUTERS/Lee Smith

A micro library is seen in a telephone box in Egerton, as the spread of the coronavirus disease (COVID-19) continues, Egerton, Britain, April 20, 2020. REUTERS/Adam Oliver

A micro library is seen in a telephone box in Egerton, as the spread of the coronavirus disease (COVID-19) continues, Egerton, Britain, April 20, 2020. REUTERS/Adam Oliver

A micro library is seen in a telephone box in Egerton, as the spread of the coronavirus disease (COVID-19) continues, Egerton, Britain, April 20, 2020. REUTERS/Adam Oliver

Muthill community larder is seen in a telephone box, as the spread of the coronavirus disease (COVID-19) continues, Muthill, Scotland, Britain, April 16, 2020. REUTERS/Russell Cheyne

A man walks his dog past Muthill community larder in a telephone box, as the spread of the coronavirus disease (COVID-19) continues, Muthill, Scotland, Britain, April 16, 2020. REUTERS/Russell Cheyne

Muthill community larder is seen in a telephone box, as the spread of the coronavirus disease (COVID-19) continues, Muthill, Scotland, Britain, April 16, 2020. REUTERS/Russell Cheyne

Muthill community larder is seen in a telephone box, as the spread of the coronavirus disease (COVID-19) continues, Muthill, Scotland, Britain, April 16, 2020. REUTERS/Russell Cheyne

A person is seen at Muthill community larder in a telephone box, as the spread of the coronavirus disease (COVID-19) continues, Muthill, Scotland, Britain, April 16, 2020. REUTERS/Russell Cheyne

A sign for Muthill community larder is seen on a telephone box, as the spread of the coronavirus disease (COVID-19) continues, Muthill, Scotland, Britain, April 16, 2020. REUTERS/Russell Cheyne

Muthill community larder is seen in a telephone box, as the spread of the coronavirus disease (COVID-19) continues, Muthill, Scotland, Britain, April 16, 2020. REUTERS/Russell Cheyne

Public telephones are seen at an empty Hua Lamphong train station in Songkran holiday which marks the Thai New Year during the coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand, April 14, 2020. REUTERS/Jorge Silva

A man wearing a protective face mask walks past a telephone box in Sparkhill as the spread of the coronavirus disease (COVID-19) continues, Sparkhill, Britain, March 30, 2020. REUTERS/Carl Recine

A telephone station is filled with rubber gloves, hand sanitizer, and anti-bacteria wipes outside of the Senate Subway, ahead of a vote on the coronavirus relief bill on Capitol Hill in Washington, U.S., March 25, 2020. REUTERS/Tom Brenner

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference with Tokyo 2020 spokesman Masa Takaya and Toshiro Muto, Tokyo 2020 Organizing Committee Chief Executive Officer after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference with Tokyo 2020 spokesman Masa Takaya after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee leaves a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee reacts as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

A general view as Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, and Toshiro Muto, Tokyo 2020 Organizing Committee Chief Executive Officer, attend a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

A general view as Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, and Toshiro Muto, Tokyo 2020 Organizing Committee Chief Executive Officer, attend a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee reacts as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee reacts as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee wipes his nose as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato TPX IMAGES OF THE DAY

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, and Toshiro Muto, Tokyo 2020 Organizing Committee Chief Executive Officer, attend a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Toshiro Muto, Tokyo 2020 Organizing Committee Chief Executive Officer, attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, and Toshiro Muto, Tokyo 2020 Organizing Committee Chief Executive Officer, attend a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee reacts as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee reacts as he attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee attends a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, and Toshiro Muto, Tokyo 2020 Organizing Committee Chief Executive Officer, attend a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, and Toshiro Muto, Tokyo 2020 Organizing Committee Chief Executive Officer, attend a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

Yoshiro Mori, President of the Tokyo 2020 Olympic Games Organising Committee, and Toshiro Muto, Tokyo 2020 Organizing Committee Chief Executive Officer, attend a news conference after a telephone meeting with IOC President Thomas Bach (not in picture), while the spread of coronavirus disease (COVID-19) continues. In Tokyo, Japan, March 24, 2020. REUTERS/Issei Kato

German Minister of Finance Olaf Scholz sits next to the empty chair of German Chancellor Angela Merkel as she participates in the weekly cabinet meeting by telephone, since she has gone into home quarantine as a precaution, after a doctor she had contact with, was tested positive for the coronavirus disease (COVID-19) in Berlin, Germany, March 23, 2020. REUTERS/Fabrizio Bensch