Then Saudi Arabian oil minister Sheikh Zaki Yamani smiles during a news conference in Islamabad, Pakistan, in this still image taken from a video dated January 4, 1982. Reuters TV/via REUTERS.

Then Saudi Arabian oil minister Sheikh Zaki Yamani speaks during a news conference in Islamabad, Pakistan, in this still image taken from a video dated January 4, 1982. Reuters TV/via REUTERS.

Special Security Unit (SSU) police members put on their rollerblades during practice at the headquarters in Karachi, Pakistan February 18, 2021. Picture taken February 18, 2021. REUTERS/Akhtar Soomro

Special Security Unit (SSU) police members rollerblade during practice along the seafront in Karachi, Pakistan February 19, 2021. Picture taken February 19, 2021. REUTERS/Akhtar Soomro

A Special Security Unit (SSU) police member holds up her weapon as she rollerblades during practice at the headquarters in Karachi, Pakistan February 18, 2021. Picture taken February 18, 2021. REUTERS/Akhtar Soomro

A Special Security Unit (SSU) police member checks his rollerblade after a practice session at the headquarters in Karachi, Pakistan February 18, 2021. Picture taken February 18, 2021. REUTERS/Akhtar Soomro

Special Security Unit (SSU) police member fixes the wheels on his rollerblade during a practice session at the headquarters in Karachi, Pakistan February 18, 2021. Picture taken February 18, 2021. REUTERS/Akhtar Soomro

Special Security Unit (SSU) police members aim their weapons as they rollerblade during practice at the headquarters in Karachi, Pakistan February 18, 2021. Picture taken February 18, 2021. REUTERS/Akhtar Soomro

Special Security Unit (SSU) police members follow a motorbike as they rollerblade during practice along a road in Karachi, Pakistan February 19, 2021. Picture taken February 19, 2021. REUTERS/Akhtar Soomro

Special Security Unit (SSU) police members rollerblade during practice at the headquarters in Karachi, Pakistan February 18, 2021. Picture taken February 18, 2021. REUTERS/Akhtar Soomro

Special Security Unit (SSU) police members rollerblade during practice at the headquarters in Karachi, Pakistan February 18, 2021. Picture taken February 18, 2021. REUTERS/Akhtar Soomro

Special Security Unit (SSU) police members rollerblade during practice at a firing zone at the headquarters in Karachi, Pakistan February 18, 2021. Picture taken February 18, 2021. REUTERS/Akhtar Soomro

Special Security Unit (SSU) police members rollerblade during practice along the seafront in Karachi, Pakistan February 19, 2021. Picture taken February 19, 2021. REUTERS/Akhtar Soomro

A Special Security Unit (SSU) police member aims as he descends stairs during practice at the headquarters in Karachi, Pakistan February 18, 2021. Picture taken February 18, 2021. REUTERS/Akhtar Soomro

Baz Khatoon, 60, sits with a photo of her son, along with others demanding to know the details on the whereabouts of their missing family members, in Islamabad, Pakistan February 19, 2021. Picture taken February 19, 2021. REUTERS/Umer Farooq

People hold signs and photos as they sit along a road demanding to know the details on the whereabouts of their missing family members, during a protest in Islamabad, Pakistan February 18, 2021. Picture taken February 18, 2021. REUTERS/Umer Farooq

A paramedic prepares a dose of Sinopharm's coronavirus disease (COVID-19) vaccine before administering it to a health worker at a vaccination centre in Karachi, Pakistan February 11, 2021. REUTERS/Akhtar Soomro

A vial with Sinopharm's coronavirus disease (COVID-19) vaccine is seen before being administered to a health worker at a vaccination centre in Karachi, Pakistan February 11, 2021. REUTERS/Akhtar Soomro

A paramedic prepares a dose of Sinopharm's coronavirus disease (COVID-19) vaccine before administering it to a health worker at a vaccination centre in Karachi, Pakistan February 11, 2021. REUTERS/Akhtar Soomro

A health worker counts used vials of Sinopharm's coronavirus disease (COVID-19) vaccine, at a vaccination centre in Karachi, Pakistan February 11, 2021. REUTERS/Akhtar Soomro

A health worker receives a dose of Sinopharm's coronavirus disease (COVID-19) vaccine at a vaccination centre in Karachi, Pakistan February 11, 2021. REUTERS/Akhtar Soomro

A paramedic prepares a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, before administering it to a health worker at a vaccination centre in Karachi, Pakistan February 8, 2021. REUTERS/Akhtar Soomro

A health worker receives a dose of Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, at a vaccination centre in Karachi, Pakistan February 8, 2021. REUTERS/Akhtar Soomro

A health worker receives a dose of Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, at a vaccination centre in Karachi, Pakistan February 8, 2021. REUTERS/Akhtar Soomro

A health worker receives a dose of Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, at a vaccination centre in Peshawar, Pakistan February 3, 2021. REUTERS/Fayaz Aziz

A health workers goes through a medical check-up after receiving a dose of Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, at a vaccination centre in Peshawar, Pakistan February 3, 2021. REUTERS/Fayaz Aziz

Chief Minister of Sindh, Syed Murad Ali Shah (R, top) and Chinese Consul General in Karachi, Li Bijian stand alongside other officials as a health worker gestures while receiving a dose of Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, at a vaccination centre in Karachi, Pakistan February 3, 2021. REUTERS/Akhtar Soomro

A health worker receives a dose of Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, at a vaccination centre in Karachi, Pakistan February 3, 2021. REUTERS/Akhtar Soomro

A health worker receives a dose of Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, at a vaccination centre in Karachi, Pakistan February 3, 2021. REUTERS/Akhtar Soomro

Paramedics sit at their counter while waiting to administer doses of Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, at a vaccination centre in Karachi, Pakistan February 3, 2021. REUTERS/Akhtar Soomro

Paramedics pose for a group photograph before entering a vaccination zone to administer the coronavirus disease (COVID-19) vaccine, in Karachi, Pakistan February 3, 2021. REUTERS/Akhtar Soomro

A paramedic holds for the camera a dose of Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, before administering to a health worker at a vaccination centre in Karachi, Pakistan February 3, 2021. REUTERS/Akhtar Soomro

A paramedic prepares a dose of the Sinopharm's coronavirus disease (COVID-19) vaccine, donated by China, before administering it to a health worker at a vaccination centre in Karachi, Pakistan February 3, 2021. REUTERS/Akhtar Soomro

A health worker reacts while receiving a dose of the Sinopharm coronavirus disease (COVID-19) vaccine, donated by China, at a vaccination centre in Karachi, Pakistan February 3, 2021. REUTERS/Akhtar Soomro

Vehicles move past the wall with a check post of the Central Prison in Karachi, Pakistan February 2, 2021. REUTERS/Akhtar Soomro

Vehicles move past the wall with a check post of the Central Prison in Karachi, Pakistan February 2, 2021. REUTERS/Akhtar Soomro

Members of the National Command and Operation Centre (NCOC), along with doctors and medical staff, visit the Khaliq Dina Hall and Library, which has been converted to a coronavirus disease (COVID-19) vaccination centre, in Karachi, Pakistan February 1, 2021. REUTERS/Akhtar Soomro

People walk past a sign outside the Khaliq Dina Hall and Library, which has been converted to be used as a vaccination centre, to administering coronavirus disease (COVID-19) vaccine, in Karachi, Pakistan February 1, 2021. REUTERS/Akhtar Soomro

A man walks past an awarness sign inside the Khaliq Dina Hall and Library, which has been converted to be used as a vaccination centre, to administering coronavirus disease (COVID-19) vaccine, in Karachi, Pakistan February 1, 2021. REUTERS/Akhtar Soomro

Usman Khan, 29, dressed up as Charlie Chaplin, performs along the street in Peshawar, Pakistan January 27, 2021. Picture taken January 27, 2021. REUTERS/Fayaz Aziz

Usman Khan, 29, dressed up as Charlie Chaplin, looks into mirror as he applies mascara in Peshawar, Pakistan January 27, 2021. Picture taken January 27, 2021. REUTERS/Fayaz Aziz

Usman Khan, 29, dressed up as Charlie Chaplin, poses for a photo as he performs in Peshawar, Pakistan January 28, 2021. Picture taken January 28, 2021. REUTERS/Fayaz Aziz

Usman Khan, 29, dressed up as Charlie Chaplin, poses for a photo with fans as he performs along the street in Peshawar, Pakistan January 27, 2021. Picture taken January 27, 2021. REUTERS/Fayaz Aziz

Usman Khan, 29, dressed up as Charlie Chaplin, performs along the street in Peshawar, Pakistan January 27, 2021. Picture taken January 27, 2021. REUTERS/Fayaz Aziz

Usman Khan, 29, dressed up as Charlie Chaplin, looks into mirror in Peshawar, Pakistan January 27, 2021. Picture taken January 27, 2021. REUTERS/Fayaz Aziz

A man pulls a bin with Usman Khan, 29, dressed up as Charlie Chaplin during a street performance in Peshawar, Pakistan January 28, 2021. Picture taken January 28, 2021. REUTERS/Fayaz Aziz TPX IMAGES OF THE DAY

Usman Khan, 29, dressed up as Charlie Chaplin, performs along the street in Peshawar, Pakistan January 27, 2021. Picture taken January 27, 2021. REUTERS/Fayaz Aziz

Usman Khan, 29, dressed up as Charlie Chaplin, poses for a photo with fans as he performs along the street in Peshawar, Pakistan January 28, 2021. Picture taken January 28, 2021. REUTERS/Fayaz Aziz

Usman Khan, 29, dressed up as Charlie Chaplin, sits at the window of a bus during a performance in Peshawar, Pakistan January 27, 2021. Picture taken January 27, 2021. REUTERS/Fayaz Aziz

Usman Khan, 29, wears a Charlie Chaplin costume as he prepares before a street performance in Peshawar, Pakistan January 27, 2021. Picture taken January 27, 2021. REUTERS/Fayaz Aziz

Children learn to ski on a slope at Gulmarg, a ski resort and one of the main tourist attractions in the Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo

Men pull sledges with tourists in a snow-covered road at Gulmarg, a ski resort and one of the main tourist attractions in the Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo

Children learn to ski on a slope at Gulmarg, a ski resort and one of the main tourist attractions in the Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo

Tourists sit inside "Igloo Cafe", a cafe prepared with snow and ice, at Gulmarg, a ski resort and one of the main tourist attractions in Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo

A man comes out of "Igloo Cafe", a cafe prepared with snow and ice, at Gulmarg, a ski resort and one of the main tourist attractions in Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo

Tourists drink inside "Igloo Cafe", a cafe prepared with snow and ice, at Gulmarg, a ski resort and one of the main tourist attractions in Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo

A view of "Igloo Cafe", a cafe prepared with snow and ice, at Gulmarg, a ski resort and one of the main tourist attractions in Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo

Tourists look at the ceiling of "Igloo Cafe", a cafe prepared with snow and ice, at Gulmarg, a ski resort and one of the main tourist attractions in Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo

Tourists drink Kashmiri Kahwa tea inside "Igloo Cafe", a cafe prepared with snow and ice, at Gulmarg, a ski resort and one of the main tourist attractions in Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo

A waiter comes out of "Igloo Cafe", a cafe prepared with snow and ice, after serving customers at Gulmarg, a ski resort and one of the main tourist attractions in Kashmir region, January 28, 2021. REUTERS/Sanna Irshad Mattoo TPX IMAGES OF THE DAY