The pages of Poland's main private internet portals have black pages with the slogan 'Media without choice' in protest against a proposed media advertising tax that outlets say threatens the industry's independence and its diversity of views ar displayed on mobile and laptop in Warsaw, Poland February 10, 2021. REUTERS/Kacper Pempel

Stone carvings of figures are seen at the portal outside of Westminster Abbey in London, Britain October 6, 2020. REUTERS/Hannah McKay

A view shows the south portal gate near the newly constructed Atal Tunnel on the Leh-Manali highway in Dhundi village in Kullu district in the northern state of Himachal Pradesh, India, September 22, 2020. The tunnel is named after India's former Prime Minister Atal Bihari Vajpayee and is reported to be one of India's longest motorable tunnels, at an altitude of over 3,000 metres, and passes under the Rohtang Pass in the eastern Pir Panjal mountain range on the Leh-Manali highway. Picture taken September 22, 2020. REUTERS/Stringer

A hairdresser cuts hair outdoors at West Portal Avenue during the coronavirus disease (COVID-19) safety protocols under an orange sky darkened by smoke from California wildfires in San Francisco, California, U.S., September 9, 2020. REUTERS/Stephen Lam

Cycling - Tour de France - Stage 9 - Pau to Laruns - France - September 6, 2020. Pau Mayor Francois Bayrou and Team INEOS Grenadiers riders pose with the family of late sporting director Nicolas Portal, before the start. REUTERS/Stephane Mahe

Cycling - Tour de France - Stage 9 - Pau to Laruns - France - September 6, 2020. Pau Mayor Francois Bayrou and Team INEOS Grenadiers team boss Dave Brailsford pose with the family of late sporting director Nicolas Portal, before the start. REUTERS/Stephane Mahe

Cycling - Tour de France - Stage 9 - Pau to Laruns - France - September 6, 2020. Pau Mayor Francois Bayrou and Team INEOS Grenadiers riders pose with the family of late sporting director Nicolas Portal, before the start. REUTERS/Stephane Mahe

Cycling - Tour de France - Stage 9 - Pau to Laruns - France - September 6, 2020. Team INEOS Grenadiers team boss Dave Brailsford poses with the family of late sporting director Nicolas Portal, before the start. REUTERS/Stephane Mahe

Cycling - Tour de France - Stage 9 - Pau to Laruns - France - September 6, 2020. Team INEOS Grenadiers team boss Dave Brailsford poses with the family of late sporting director Nicolas Portal, before the start. REUTERS/Stephane Mahe

A cargo train drives into the northern portal of the Gotthard Base Tunnel near Erstfeld, Switzerland September 3, 2020. The Gotthard Base Tunnel consists of two parallel single track tunnels, each with a length of 57 km (35 miles). REUTERS/Arnd Wiegmann

A cargo train drives into the northern portal of the Gotthard Base Tunnel near Erstfeld, Switzerland September 3, 2020. The Gotthard Base Tunnel consists of two parallel single-track tunnels, each of a length of 57 km (35 miles). REUTERS/Arnd Wiegmann

Malaysiakini's editor-in-chief (R) Steven Gan interacts with the independence news portal's CEO Premesh Chandran (L) after a court hearing over a contempt case brought by the government in Putrajaya, Malaysia, July 13, 2020. REUTERS/Rozanna Latiff

People swim and practice sports in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 11, 2020. REUTERS/Enrique Calvo

A woman sunbathes in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 11, 2020. REUTERS/Enrique Calvo

People sunbathe and swim in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 11, 2020. REUTERS/Enrique Calvo

People sunbathe and swim in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 11, 2020. REUTERS/Enrique Calvo

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 11, 2020. REUTERS/Enrique Calvo

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 11, 2020. REUTERS/Enrique Calvo

Venezuelan GP Norelis Portal (L) and Chilean Senior Nurse Technician Blanca Pimente put on personal protective equipment (PPE) before visiting patients suffering from the coronavirus disease (COVID-19), in Santiago, Chile July 2, 2020. Picture taken July 2, 2020. REUTERS/Pablo Sanhueza

Venezuelan GP Norelis Portal uses her mobile phone in between home visits to patients suffering from the coronavirus disease (COVID-19), in Santiago, Chile July 2, 2020. Picture taken July 2, 2020. REUTERS/Pablo Sanhueza

Chilean Senior Nurse Technician Blanca Pimente looks on as Venezuelan GP Norelis Portal (L) and her Chilean colleague Jesus Velera review information on patients suffering from the coronavirus disease (COVID-19) while doing home visits, in Santiago, Chile July 2, 2020. Picture taken July 2, 2020. REUTERS/Pablo Sanhueza

Venezuelan GP Norelis Portal (R) and Chilean Senior Nurse Technician Blanca Pimente put on personal protective equipment (PPE) before visiting patients suffering from the coronavirus disease (COVID-19), in Santiago, Chile July 2, 2020. Picture taken July 2, 2020. REUTERS/Pablo Sanhueza

Venezuelan GP Norelis Portal (R) and Chilean Senior Nurse Technician Blanca Pimente leave the house of a patient suffering from the coronavirus disease (COVID-19), in Santiago, Chile July 2, 2020. Picture taken July 2, 2020. REUTERS/Pablo Sanhueza

Venezuelan GP Norelis Portal visits the home of a patient suffering from the coronavirus disease (COVID-19), in Santiago, Chile July 2, 2020. Picture taken July 2, 2020. REUTERS/Pablo Sanhueza

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 2, 2020. REUTERS/Enrique Calvo

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 2, 2020. REUTERS/Enrique Calvo

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 2, 2020. REUTERS/Enrique Calvo

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 2, 2020. REUTERS/Enrique Calvo

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 2, 2020. REUTERS/Enrique Calvo

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 2, 2020. REUTERS/Enrique Calvo

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 2, 2020. REUTERS/Enrique Calvo

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 2, 2020. REUTERS/Enrique Calvo

People sunbathe in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 2, 2020. REUTERS/Enrique Calvo

A person sunbathes in Portals Nous beach, amid the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain July 2, 2020. REUTERS/Enrique Calvo

Resident Pat Tolson chats via Facebook Portal to her grandchildren at the Foxholes Care Home as the spread of the coronavirus disease (COVID-19) continues, Hitchin, Britain March 25, 2020. Picture taken March 25, 2020. REUTERS/John Sibley

Resident Minnie Copping chats via Facebook Portal to her daughter Sandra at the Foxholes Care Home as the spread of the coronavirus disease (COVID-19) continues, Hitchin, Britain March 25, 2020. Picture taken March 25, 2020. REUTERS/John Sibley

Resident Minnie Copping chats via Facebook Portal to her daughter Sandra at the Foxholes Care Home as the spread of the coronavirus disease (COVID-19) continues, Hitchin, Britain March 25, 2020. Picture taken March 25, 2020. REUTERS/John Sibley

Resident Pat Tolson chats via Facebook Portal to her family, helped by activities director Susan Davies at the Foxholes Care Home as the spread of the coronavirus disease (COVID-19) continues, Hitchin, Britain March 25, 2020. Picture taken March 25, 2020. REUTERS/John Sibley

Resident Brian Orchard chats via Facebook Portal to his family at the Foxholes Care Home as the spread of the coronavirus disease (COVID-19) continues, Hitchin, Britain March 25, 2020. Picture taken March 25, 2020. REUTERS/John Sibley

Resident Minnie Copping chats via Facebook Portal to her daughter Sandra, helped by activities director Susan Davies at the Foxholes Care Home as the spread of the coronavirus disease (COVID-19) continues, Hitchin, Britain March 25, 2020. Picture taken March 25, 2020. REUTERS/John Sibley

Resident Brian Orchard holds his walking stick as he chats via Facebook Portal to his family at the Foxholes Care Home as the spread of the coronavirus disease (COVID-19) continues, Hitchin, Britain March 25, 2020. Picture taken March 25, 2020. REUTERS/John Sibley

Resident Pat Tolson chats via Facebook Portal to her family, helped by estate manager Neil Gandecha at the Foxholes Care Home as the spread of the coronavirus disease (COVID-19) continues, Hitchin, Britain March 25, 2020. Picture taken March 25, 2020. REUTERS/John Sibley

Resident Brian Orchard chats via Facebook Portal to his family at the Foxholes Care Home as the spread of the coronavirus disease (COVID-19) continues, Hitchin, Britain March 25, 2020. Picture taken March 25, 2020. REUTERS/John Sibley

A wallaby sits among burnt trees at Kosciuszko National Park in Providence Portal, New South Wales, Australia January 11, 2020. REUTERS/Tracey Nearmy

A flock of birds flies outside of Kosciuszko National Park in Providence Portal, New South Wales, Australia January 11, 2020. REUTERS/Tracey Nearmy

A flock of birds sit in a paddock outside of Kosciuszko National Park in Providence Portal, New South Wales, Australia January 11, 2020. REUTERS/Tracey Nearmy

A flock of birds fly outside of Kosciuszko National Park in Providence Portal, New South Wales, Australia January 11, 2020. REUTERS/Tracey Nearmy

An injured sulphur-crested cockatoo walks through the burnt ground of Kosciuszko National Park in Providence Portal, New South Wales, Australia January 11, 2020. REUTERS/Tracey Nearmy

An injured sulphur-crested cockatoo walks through the burnt ground of Kosciuszko National Park in Providence Portal, New South Wales, Australia January 11, 2020. REUTERS/Tracey Nearmy TPX IMAGES OF THE DAY

A sulphur-crested cockatoo sits among burnt trees at Kosciuszko National Park in Providence Portal, New South Wales, Australia January 11, 2020. REUTERS/Tracey Nearmy

People watch the light installation 'Sign of the Times Portal' during the festival of lights in Riga, Latvia November 15, 2019. REUTERS/Ints Kalnins

People watch the light installation 'Sign of the Times Portal' during the festival of lights in Riga, Latvia November 15, 2019. REUTERS/Ints Kalnins

The headquarters of Fawry Company "Online Payment Portal" are pictured in Cairo, Egypt, September 5, 2019. REUTERS/Ehab Farouk

A plaque with the names of men who died mining coal outside the now-closed Portal 31 mine in Lynch, Kentucky, U.S. August 13, 2019. Picture taken on August 13, 2019. REUTERS/Charles Mostoller

Galina Timchenko, CEO of online news portal Meduza, speaks with the media during a rally in support of Russian investigative journalist Ivan Golunov, who was detained by police, accused of drug offences and later freed from house arrest, in Moscow, Russia June 12, 2019. REUTERS/Shamil Zhumatov

Galina Timchenko (R), CEO of online news portal Meduza, escorts Svetlana, mother of Russian investigative journalist Ivan Golunov, who was detained by police and accused of drug offences, outside a court building before Golunov's possible arrival in Moscow, Russia June 8, 2019. REUTERS/Tatyana Makeyeva

Galina Timchenko, CEO of online news portal Meduza, speaks during an interview outside a court building before the possible arrival of Russian investigative journalist Ivan Golunov, who was detained by police and accused of drug offences, in Moscow, Russia June 8, 2019. REUTERS/Tatyana Makeyeva

A worker stands behind a Portal booth during Facebook Inc's F8 developers conference in San Jose, California, U.S., April 30, 2019. REUTERS/Stephen Lam

A Portal by Facebook video chat device is seen during Facebook Inc's F8 developers conference in San Jose, California, U.S., April 30, 2019.ÊREUTERS/Stephen Lam

An attendee interacts with a Portal video chat device during Facebook Inc's F8 developers conference in San Jose, California, U.S., April 30, 2019. REUTERS/Stephen Lam