Iran's former only female Olympic medallist Kimia Alizadeh prepares for her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh prepares for her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh lands a kick to her husband and training partner Hamed Madanchi during her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh listens to her husband and training partner Hamed Madanchi during her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh prepares for her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh prepares for her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh prepares for her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh prepares for her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh lands a kick to her husband and training partner Hamed Madanchi during her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh lands a kick to her husband and training partner Hamed Madanchi during her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh lands a kick to her husband and training partner Hamed Madanchi during her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

Iran's former only female Olympic medallist Kimia Alizadeh listens to her husband and training partner Hamed Madanchi during her Taekwondo training session in Aschaffenburg, Germany, February 17, 2021. After fleeing to Germany Alizadeh was granted refugee status and wants to start at the Olympics under the white flag in Tokyo later this summer. Picture taken February 17, 2021. REUTERS/Kai Pfaffenbach

The Iranian flag waves in front of the International Atomic Energy Agency (IAEA) headquarters, before the beginning of a board of governors meeting, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

The Iranian flag waves in front of the International Atomic Energy Agency (IAEA) headquarters, before the beginning of a board of governors meeting, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

The Iranian flag waves in front of the International Atomic Energy Agency (IAEA) headquarters, before the beginning of a board of governors meeting, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi adjusts his glasses as he waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

The Iranian flag waves in front of the International Atomic Energy Agency (IAEA) headquarters, before the beginning of a board of governors meeting, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

The Iranian flag waves in front of the International Atomic Energy Agency (IAEA) headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

The logo of the International Atomic Energy Agency (IAEA) is seen outside the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

A flag with the logo of the International Atomic Energy Agency (IAEA) waves in front of the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi looks on ahead of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

Nordic Skiing - FIS Nordic World Ski Championships - Oberstdorf, Germany - February 24, 2021 Iran's Yasin Shemshaki in action during the Men's Cross Country 10km Qualification Race REUTERS/Kai Pfaffenbach

Nordic Skiing - FIS Nordic World Ski Championships - Oberstdorf, Germany - February 24, 2021 Iran's Zahra Savehshemshaki in action during the Women's Cross Country 5km Qualification Race REUTERS/Kai Pfaffenbach

Nordic Skiing - FIS Nordic World Ski Championships - Oberstdorf, Germany - February 24, 2021 Iran's Farzaneh Rezasoltani in action during the Women's Cross Country 5km Qualification Race REUTERS/Kai Pfaffenbach

Nordic Skiing - FIS Nordic World Ski Championships - Oberstdorf, Germany - February 24, 2021 Iran's Farzaneh Rezasoltani in action during the Women's Cross Country 5km Qualification Race REUTERS/Kai Pfaffenbach

Nordic Skiing - FIS Nordic World Ski Championships - Oberstdorf, Germany - February 24, 2021 Iran's Zahra Savehshemshaki in action during the Women's Cross Country 5km Qualification Race REUTERS/Kai Pfaffenbach

Supporters of the National Council of Resistance of Iran (NCRI) hold a sign during a protest, as European Union Foreign Ministers attend a meeting in Brussels, Belgium, February 22, 2021. The sign reads "Expel from Europe all the spies from the mollah regime". REUTERS/Yves Herman

Supporters of the National Council of Resistance of Iran (NCRI) hold signs and pictures of Iranian opposition leader Maryam Rajavi during a protest, as European Union Foreign Ministers attend a meeting in Brussels, Belgium, February 22, 2021. REUTERS/Yves Herman

Supporters of the National Council of Resistance of Iran (NCRI) hold signs and pictures of Iranian opposition leader Maryam Rajavi during a protest, as European Union Foreign Ministers attend a meeting in Brussels, Belgium, February 22, 2021. REUTERS/Yves Herman

Supporters of the National Council of Resistance of Iran (NCRI) hold signs and pictures of Iranian opposition leader Maryam Rajavi during a protest, as European Union Foreign Ministers attend a meeting in Brussels, Belgium, February 22, 2021. REUTERS/Yves Herman

A supporter of the National Council of Resistance of Iran (NCRI) holds a sign during a protest, as European Union Foreign Ministers attend a meeting in Brussels, Belgium, February 22, 2021. REUTERS/Yves Herman

A supporter of the National Council of Resistance of Iran (NCRI) protests, as European Union Foreign Ministers attend a meeting in Brussels, Belgium, February 22, 2021. REUTERS/Yves Herman

A supporter of the National Council of Resistance of Iran (NCRI) holds a picture of Iranian opposition leader Maryam Rajavi during a protest, as European Union Foreign Ministers attend a meeting in Brussels, Belgium, February 22, 2021. REUTERS/Yves Herman

International Atomic Energy Agency (IAEA) Director General Rafael Grossi addresses the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi addresses the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi gestures as he addresses the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi addresses the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi addresses the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi addresses the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi addresses the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi addresses the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi addresses the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi arrives to address the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi arrives to address the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi arrives to address the media upon his arrival from Tehran, at Vienna International Airport in Schwechat, Austria February 21, 2021. REUTERS/Lisi Niesner

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 21, 2021 Iran's Behnam Kia Shemshaki in action during his first run in the Men’s Slalom REUTERS/Denis Balibouse

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 21, 2021 Iran's Behnam Kia Shemshaki after his first run in the Men’s Slalom REUTERS/Leonhard Foeger

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 21, 2021 Iran's Behnam Kia Shemshaki in action during his first run in the Men’s Slalom REUTERS/Denis Balibouse

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 20, 2021 Iran's Forough Abbasi and Marjan Kalhor celebrate after their second runs in the Women's Slalom REUTERS/Leonhard Foeger

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 20, 2021 Iran's Marjan Kalhor reacts after her run in the Women's Slalom REUTERS/Leonhard Foeger

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 20, 2021 Iran's Forough Abbasi reacts after her run in the Women's Slalom REUTERS/Leonhard Foeger

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 20, 2021 Iran's Forough Abbasi in action during the Women's Slalom REUTERS/Denis Balibouse

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 20, 2021 Iran's Forough Abbasi in action during the Women's Slalom REUTERS/Denis Balibouse

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 20, 2021 Iran's Atefeh Ahmadi crashes during her run in the Women's Slalom REUTERS/Denis Balibouse

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 20, 2021 Iran's Atefeh Ahmadi in action during the Women's Slalom REUTERS/Denis Balibouse