School graduates wearing protective face masks and gloves take university entrance exams at the Pakhtakor sports arena amid the outbreak of the coronavirus disease (COVID-19) in Tashkent, Uzbekistan September 2, 2020. REUTERS/Mukhammadsharif Mamatkulov

School graduates take university entrance exams at the Pakhtakor sports arena amid the outbreak of the coronavirus disease (COVID-19) in Tashkent, Uzbekistan September 2, 2020. REUTERS/Mukhammadsharif Mamatkulov

School graduates take university entrance exams at the Pakhtakor sports arena amid the outbreak of the coronavirus disease (COVID-19) in Tashkent, Uzbekistan September 2, 2020. REUTERS/Mukhammadsharif Mamatkulov

School graduates take university entrance exams at the Pakhtakor sports arena amid the outbreak of the coronavirus disease (COVID-19) in Tashkent, Uzbekistan September 2, 2020. REUTERS/Mukhammadsharif Mamatkulov

School graduates wearing protective face masks and gloves take university entrance exams at the Pakhtakor sports arena amid the outbreak of the coronavirus disease (COVID-19) in Tashkent, Uzbekistan September 2, 2020. REUTERS/Mukhammadsharif Mamatkulov

School graduates wearing protective face masks and gloves take university entrance exams at the Pakhtakor sports arena amid the outbreak of the coronavirus disease (COVID-19) in Tashkent, Uzbekistan September 2, 2020. REUTERS/Mukhammadsharif Mamatkulov

People wearing protective face masks wait in line to enter the grocery store amid the coronavirus disease (COVID-19) outbreak in Tashkent, Uzbekistan April 9, 2020. REUTERS/Mukhammadsharif Mamatkulov

People wearing protective face masks line up at a safe social distance outside the grocery store amid the coronavirus disease (COVID-19) outbreak in Tashkent, Uzbekistan April 9, 2020. REUTERS/Mukhammadsharif Mamatkulov

Uzbek law enforcement officers check drivers' documents at a checkpoint as they enforce government restrictions aimed at slowing the spread of the coronavirus disease (COVID-19) in Tashkent, Uzbekistan April 9, 2020. REUTERS/Mukhammadsharif Mamatkulov

Uzbek law enforcement officers check drivers' documents at a checkpoint as they enforce government restrictions aimed at slowing the spread of the coronavirus disease (COVID-19) in Tashkent, Uzbekistan April 9, 2020. REUTERS/Mukhammadsharif Mamatkulov

Uzbek law enforcement officers check drivers' documents at a checkpoint as they enforce government restrictions aimed at slowing the spread of the coronavirus disease (COVID-19) in Tashkent, Uzbekistan April 9, 2020. REUTERS/Mukhammadsharif Mamatkulov

People gather near an Ilyushin IL-76 military cargo plane of the Uzbek Air Force, which transports protective equipment to China hit by the new coronavirus, before the departure from an airport of Tashkent, Uzbekistan February 12, 2020. REUTERS/Mukhammadsharif Mamatkulov TPX IMAGES OF THE DAY

Crew members line up in front of an Ilyushin IL-76 military cargo plane of the Uzbek Air Force, which transports protective equipment to China, before the departure from an airport of Tashkent, Uzbekistan February 12, 2020. REUTERS/Mukhammadsharif Mamatkulov

U.S. Secretary of State Mike Pompeo meets with Uzbek President Shavkat Mirziyoyev in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/POOL

U.S. Secretary of State Mike Pompeo is escorted by Uzbek President Shavkat Mirziyoyev to their meeting in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/POOL

U.S. Secretary of State Mike Pompeo poses with Kazakh Foreign Minister Mukhtar Tleuberdi, Kyrgyzstan's Foreign Minister Chingiz Aidarbekov, Uzbek Foreign Affairs Minister Abdulaziz Kamilov, Tajikistan's Foreign Minister Sirojiddin Muhriddin and Turkmenistan's Foreign Minister Rashid Meredov during a meeting of the C5+1 in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/POOL

U.S. Secretary of State Mike Pompeo listens to Uzbek Foreign Minister Abdulaziz Kamilov speak during a C5+1ministerial meeting in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/POOL

U.S. Secretary of State Mike Pompeo talks with Kazakh Foreign Minister Mukhtar Tleuberdi and Uzbek Foreign Minister Abdulaziz Kamilov during a meeting of the C5+1 in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/POOL

U.S. Secretary of State Mike Pompeo chairs the C5+1 ministerial meeting in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/POOL

U.S. Secretary of State Mike Pompeo and Uzbekistan Foreign Minister Kamilov Abdulaziz Khafizovich depart after a joint press conference in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/Pool

U.S. Secretary of State Mike Pompeo and Uzbekistan Foreign Minister Kamilov Abdulaziz Khafizovich hold a joint press conference in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/Pool

U.S. Secretary of State Mike Pompeo looks up during a joint press conference with Uzbekistan Foreign Minister Kamilov Abdulaziz Khafizovich in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/Pool

U.S. Secretary of State Mike Pompeo and Uzbekistan Foreign Minister Kamilov Abdulaziz Khafizovich hold a joint press conference in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/Pool

U.S. Secretary of State Mike Pompeo speaks during a joint press conference with Uzbekistan Foreign Minister Kamilov Abdulaziz Khafizovich in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/Pool

U.S. Secretary of State Mike Pompeo meets with Uzbekistan Foreign Minister Kamilov Abdulaziz Khafizovich in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/Pool

U.S. Secretary of State Mike Pompeo meets with Uzbekistan Foreign Minister Kamilov Abdulaziz Khafizovich in Tashkent, Uzbekistan, February 3, 2020. REUTERS/Kevin Lamarque/Pool

U.S. Secretary of State Mike Pompeo is greeted by Uzbekistan Foreign Minister Kamilov Abdulaziz Khafizovich upon arrival in Tashkent, Uzbekistan, February 2, 2020. REUTERS/Kevin Lamarque/POOL

U.S. Secretary of State Mike Pompeo steps from a plane upon arrival in Tashkent, Uzbekistan, February 2, 2020. REUTERS/Kevin Lamarque/POOL

U.S. Secretary of State Mike Pompeo is welcomed with a bouquet of flowers upon his arrival in Tashkent, Uzbekistan, February 2, 2020. REUTERS/Kevin Lamarque/POOL

U.S. Secretary of State Mike Pompeo is welcomed with a bouquet of flowers upon his arrival in Tashkent, Uzbekistan, February 2, 2020. REUTERS/Kevin Lamarque/POOL

A man casts his ballot next to a portrait of Uzbekistan's President Shavkat Mirziyoyev during parliamentary election in Tashkent, Uzbekistan December 22, 2019. REUTERS/Mukhammadsharif Mamatkulov

A man reads election candidates posters during parliamentary election in Tashkent, Uzbekistan December 22, 2019. REUTERS/Mukhammadsharif Mamatkulov

A man casts his ballot during parliamentary election in Tashkent, Uzbekistan December 22, 2019. REUTERS/Mukhammadsharif Mamatkulov

Djamshid Kuchkarov, Uzbekistan's Finance Minister speaks at a conference in Tashkent, Uzbekistan, November 14, 2019. REUTERS/Mukhammadsharif Mamatkulov

Military personnel walk on a slope where a missile struck, in Tashkent (also known as Vouno), in northern Cyprus, July 1, 2019. REUTERS/Yiannis Kourtoglou

A cameraman films next to a slope where a missile struck, in Tashkent (also known as Vouno), in northern Cyprus, July 1, 2019. REUTERS/Yiannis Kourtoglou

Military personnel carry debris on a slope where a missile struck, in Tashkent (also known as Vouno), in northern Cyprus, July 1, 2019. REUTERS/Yiannis Kourtoglou

Kazakh president Kassym-Jomart Tokayev attends a news conference with his Uzbek counterpart Shavkat Mirziyoyev in Tashkent, Uzbekistan April 15, 2019. REUTERS/Mukhtar Kholdorbekov

Uzbek president Shavkat Mirziyoyev attends a news conference with his Kazakh counterpart Kassym-Jomart Tokayev in Tashkent, Uzbekistan April 15, 2019. REUTERS/Mukhtar Kholdorbekov

Kazakh president Kassym-Jomart Tokayev attends a news conference with his Uzbek counterpart Shavkat Mirziyoyev in Tashkent, Uzbekistan April 15, 2019. REUTERS/Mukhtar Kholdorbekov

Uzbek president Shavkat Mirziyoyev attends a news conference with his Kazakh counterpart Kassym-Jomart Tokayev in Tashkent, Uzbekistan April 15, 2019. REUTERS/Mukhtar Kholdorbekov

Uzbek President Shavkat Mirziyoyev and his visiting Kazakh counterpart Kassym-Jomart Tokayev attend an official welcoming ceremony in Tashkent, Uzbekistan April 15, 2019. REUTERS/Mukhtar Kholdorbekov

Uzbek President Shavkat Mirziyoyev and his visiting Kazakh counterpart Kassym-Jomart Tokayev attend an official welcoming ceremony in Tashkent, Uzbekistan April 15, 2019. REUTERS/Mukhtar Kholdorbekov

Uzbek President Shavkat Mirziyoyev and his visiting Kazakh counterpart Kassym-Jomart Tokayev attend an official welcoming ceremony in Tashkent, Uzbekistan April 15, 2019. REUTERS/Mukhtar Kholdorbekov

Saida Mirziyoyeva, daughter of Uzbek President Shavkat Mirziyoyev, watches the International Music Festival "Melody of the East" in Samarkand, Uzbekistan August 28, 2017. Picture taken August 28, 2017. REUTERS/Mukhammadsharif Mamatkulov

Uzbek blogger Davronbek Tojialiyev poses during an interview with Reuters in Tashkent, Uzbekistan October 2, 2018. Picture taken October 2, 2018. To match Insight UZBEKISTAN-BLOGGING/ REUTERS/Mukhammadsharif Mamatkulov

Uzbek blogger Davronbek Tojialiyev looks at his tablet during an interview with Reuters in Tashkent, Uzbekistan October 2, 2018. Picture taken October 2, 2018. To match Insight UZBEKISTAN-BLOGGING/ REUTERS/Mukhammadsharif Mamatkulov

Uzbek journalist Bobomurod Abdullayev (C), was allowed to leave police custody, poses for a picture with relatives and supporters in Tashkent, Uzbekistan May 7, 2018. REUTERS/Mukhammadsharif Mamatkulov

Uzbek journalist Bobomurod Abdullayev is seen after a court hearing in Tashkent, Uzbekistan May 7, 2018. REUTERS/Mukhammadsharif Mamatkulov

Uzbek journalist Bobomurod Abdullayev (front) is seen after a court hearing in Tashkent, Uzbekistan May 7, 2018. REUTERS/Mukhammadsharif Mamatkulov

REFILE - CORRECTING SLUG A view shows a house of parents of Sayfullo Saipov, the suspect in the New York City truck attack, on the outskirts of Tashkent, Uzbekistan November 2, 2017. REUTERS/Mukhammadsharif Mamatkulov

A view shows a house of parents of Sayfullo Saipov, the suspect in the New York City truck attack, on the outskirts of Tashkent, Uzbekistan November 2, 2017. REUTERS/Mukhammadsharif Mamatkulov

Uzbek dissident writer Nurulloh Muhammad Raufkhon, who was released by police on Sunday from exile on charges of spreading anti-government propaganda, is seen in the courtyard of his house in Tashkent, Uzbekistan October 2, 2017. REUTERS/Mukhammadsharif Mamatkulov

Uzbek dissident writer Nurulloh Muhammad Raufkhon, who was released by police on Sunday from exile on charges of spreading anti-government propaganda, is seen in the courtyard of his house in Tashkent, Uzbekistan October 2, 2017. REUTERS/Mukhammadsharif Mamatkulov

Uzbek dissident writer Nurulloh Muhammad Raufkhon, who was released by police on Sunday from exile on charges of spreading anti-government propaganda, is seen in the courtyard of his house in Tashkent, Uzbekistan October 2, 2017. REUTERS/Mukhammadsharif Mamatkulov

A general view shows a gas facility of Lukoil company in Jarkuduk, Uzbekistan September 23, 2017. Picture taken September 23, 2017. REUTERS/Olesya Astakhova

Employess attend a ceremony to launch a gas facility of Lukoil company in Jarkuduk, Uzbekistan September 23, 2017. Picture taken September 23, 2017. REUTERS/Olesya Astakhova

Uzbekistani Som banknotes are seen in this picture illustration taken May 4, 2017. Picture taken May 4, 2017. REUTERS/Mukhammadsharif Mamatkulov/Illustration

A woman counts banknotes after exchanging currency at a branch of the National Bank of Uzbekistan in Tashkent, Uzbekistan September 5, 2017. REUTERS/Mukhammadsharif Mamatkulov

People queue as they gather at a branch of the National Bank of Uzbekistan to exchange currency in Tashkent, Uzbekistan September 5, 2017. REUTERS/Mukhammadsharif Mamatkulov