A shepherd woman receives a dose of COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

A shepherd woman receives a dose of COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

Shepherd girls look on during a coronavirus disease (COVID-19) vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

Healthcare workers trek to inoculate shepherds with COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

Porters accompanying healthcare workers take rest as they trek to inoculate shepherds with COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

Healthcare workers and porters trek to inoculate shepherds with COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

A healthcare worker administers a dose of COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, to a shepherd man during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

Healthcare workers carrying portable oxygen cylinders and other medical aids, trek to inoculate shepherds with COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

Healthcare workers and porters take rest as they track to inoculate shepherds with COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

Healthcare workers trek to inoculate shepherds with COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

A healthcare worker wears a protective suit before administering doses of COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, to shepherds during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

A healthcare worker administers a dose of COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, to a shepherd man during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

Healthcare workers ride horses past a makeshift shop during a coronavirus disease (COVID-19) vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

A porter carrying a box with COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, crosses a stream on a footbridge during a vaccination drive at Lidderwat near scenic Pahalgam in south Kashmir's Anantnag district, June 10, 2021. Picture taken June 10, 2021. REUTERS/Sanna Irshad Mattoo

Drone photograph of Scenic World's Cableway moving down into the Jamison Valley in the Blue Mountains, New South Wales, Australia, February 1, 2021. REUTERS/Stefica Nicole Bikes

Drone photograph of Scenic World tourism operator overlooking Katoomba Falls in the Blue Mountains, New South Wales, Australia, February 1, 2021. REUTERS/Stefica Nicole Bikes

Drone photograph of Scenic World's cableway in the Blue Mountains, New South Wales, Australia, February 1, 2021. REUTERS/Stefica Nicole Bikes

Children, who miss their online classes due to lack of internet facility, walk in a line as they leave after attending their open-air classes after schools were closed following the coronavirus disease (COVID-19) outbreak, at the scenic Doodhpathri in central Kashmir's Budgam district August 24, 2020. REUTERS/Danish Ismail

Teachers give lectures to children, who do not have access to internet facilities, during their open-air classes after schools were closed following the coronavirus disease (COVID-19) outbreak, at the scenic Doodhpathri in central Kashmir's Budgam district August 24, 2020. REUTERS/Danish Ismail

Teachers give lectures to children, who do not have access to internet facilities, during their open-air classes after schools were closed following the coronavirus disease (COVID-19) outbreak, at the scenic Doodhpathri in central Kashmir's Budgam district August 24, 2020. REUTERS/Danish Ismail

Teachers give lectures to children, who do not have access to internet facilities, during their open-air classes after schools were closed following the coronavirus disease (COVID-19) outbreak, at the scenic Doodhpathri in central Kashmir's Budgam district August 24, 2020. REUTERS/Danish Ismail

Teachers and children, who do not have access to internet facilities, sit on marked areas to maintain social distancing during their open-air classes after schools were closed following the coronavirus disease (COVID-19) outbreak, at the scenic Doodhpathri in central Kashmir's Budgam district August 24, 2020. REUTERS/Danish Ismail

Children, who do not have access to internet facilities, sit in shade during their open-air classes after schools were closed following the coronavirus disease (COVID-19) outbreak, at the scenic Doodhpathri in central Kashmir's Budgam district August 24, 2020. REUTERS/Danish Ismail

A trawler fishes front of the beach in Wissant, France, August 20, 2020. Picture taken August 20, 2020. REUTERS/Pascal Rossignol

A trawler fishes front of the beach in Wissant, France, August 20, 2020. Picture taken August 20, 2020. REUTERS/Pascal Rossignol

A trawler fishes front of the beach in Wissant, France, August 20, 2020. Picture taken August 20, 2020. REUTERS/Pascal Rossignol

A trawler fishes front of the beach in Wissant, France, August 20, 2020. Picture taken August 20, 2020. REUTERS/Pascal Rossignol

A trawler fishes front of the beach in Wissant, France, August 20, 2020. Picture taken August 20, 2020. REUTERS/Pascal Rossignol

A girl sells tickets for a boat trip as coronavirus disease (COVID-19) heavily affects tourism in Budva, Montenegro, August 8, 2020. Picture taken August 8, 2020. REUTERS/Stevo Vasiljevic

Surfers take to the waves at Kaiwi Scenic point in Honolulu, Hawaii, U.S. July 26, 2020, ahead of the arrival of Hurricane Douglas REUTERS/Marco Garcia

Opera singers Flurina Stucki, Karis Tucker, Annika Schlicht wait for their performance during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera singers Flurina Stucki, Karis Tucker, Annika Schlicht wait for their performance during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera singer Annika Schlicht performs during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera singer Judit Kutasi wears a face mask as she performs during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera singer Karis Tucker wears a face mask as she waits for her performance during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera singer Karis Tucker (R) wears a face mask as she performs with Judit Kutasi and Irene Roberts during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera singers perform during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera singer, Tobias Kehrer, walks past unoccupied, white wrapped seats during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera singers perform during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Unoccupied, white wrapped seats are pictured during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera singers perform during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera director, Dietmar Schwarz, poses beside a statue of German composer Richard Wagner before the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera singers perform during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

A statue of German composer Richard Wagner is covered with a face mask during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

A statue of German composer Richard Wagner is covered with a face mask during the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

Opera director, Dietmar Schwarz, is pictured before the dress rehearsal of Richard Wagner's Das Rheingold (The Rhinegold) in a semi-scenic performance by Jonathan Dove on the parking deck of Deutsche Oper opera house, which claims it to be the first performance of an opera since the easing of the measures after lockdown, amid the coronavirus disease (COVID-19) outbreak in Berlin, Germany, June 9, 2020. REUTERS/Fabrizio Bensch

People on the beach in Portrush, following the outbreak of the coronavirus disease (COVID-19), Portrush, Northern Ireland, April 26, 2020. REUTERS/Jason Cairnduff

Neon lights read "It is time to pray" hanged between minarets of the Ottoman-era Sultanahmet Mosque, also known as the Blue Mosque, on the first day of the holy month of Ramadan during a four-day curfew which was imposed to prevent the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, April 24, 2020. Picture taken with a drone. REUTERS/Umit Bektas

An aerial view of the Byzantine-era monument of Hagia Sophia on the first day of the holy month of Ramadan, during a four-day curfew which was imposed to prevent the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, April 24, 2020. Picture taken with a drone. REUTERS/Umit Bektas

General view of the deserted Anzac Cove, where the dawn service is held, on the Gallipoli Peninsula in Canakkale Province, Turkey, April 24, 2020. Anzac Day commemorations in Turkey marking the 105th anniversary of the World War One battle of Gallipoli have been cancelled due to the coronavirus disease (COVID-19) outbreak. Picture taken with a drone. REUTERS/Mehmet Caliskan

A general view of an empty beach during the coronavirus disease (COVID-19) outbreak, in Wells-Next-The-Sea, in Norfolk, Britain, April 24, 2020. REUTERS/Andrew Couldridge

A dog walker is seen in a Rapeseed field near Mount Grange Priory as the spread of coronavirus disease (COVID-19) continues, Britain, April 24, 2020. REUTERS/Lee Smith

General view of Capri, as the spread of coronavirus disease (COVID-19) continues in Capri, Italy, April 24, 2020. REUTERS/Ciro De Luca

A dog walker is seen in a Rapeseed field near Mount Grange Priory as the spread of coronavirus disease (COVID-19) continues, Britain, April 24, 2020. REUTERS/Lee Smith

An empty Saint Mark's Basin is seen in Venice as Italy's lockdown measures continue to prevent the spread of coronavirus disease (COVID-19) in Venice, Italy, April 22, 2020. REUTERS/Manuel Silvestri

A general view shows the Kiev Pechersk Lavra monastery, where multiple cases of the coronavirus disease (COVID-19) have been confirmed, in Kiev, Ukraine April 22, 2020. REUTERS/Valentyn Ogirenko

A man rows a makeshift raft in the Yamuna river on the Earth Day, during a lockdown to slow spread of the coronavirus disease (COVID-19), in New Delhi, India, April 22, 2020. REUTERS/Anushree Fadnavis

A woman takes a picture during sunset after the Austrian government loosened its lockdown restrictions during the coronavirus disease (COVID-19) outbreak in Maria Plain, Austria, April 21, 2020. REUTERS/Leonhard Foeger

An empty jetty is seen ahead of Earth Day, during the curfew amid concerns about the spread of coronavirus disease (COVID-19), in Colombo,Sri Lanka April 21, 2020. REUTERS/Dinuka Liyanawatte

An elk knees as it eats rape in a field near the village of Zhukovka, Belarus April 20, 2020. Picture taken April 20, 2020. REUTERS/Vasily Fedosenko