Service members walk near the Russian-controlled Zaporizhzhia Nuclear Power Plant before the arrival of the International Atomic Energy Agency (IAEA) expert mission in the course of Ukraine-Russia conflict outside Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko 

A service member stands guard near the Russian-controlled Zaporizhzhia Nuclear Power Plant following the arrival of the International Atomic Energy Agency (IAEA) expert mission in the course of Ukraine-Russia conflict outside Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko 

A service member levels a weapon at a checkpoint near the Russian-controlled Zaporizhzhia Nuclear Power Plant before the arrival of the International Atomic Energy Agency (IAEA) expert mission in the course of Ukraine-Russia conflict outside Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko 

A service member levels a weapon at a checkpoint near the Russian-controlled Zaporizhzhia Nuclear Power Plant before the arrival of the International Atomic Energy Agency (IAEA) expert mission in the course of Ukraine-Russia conflict outside Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko 

A motorcade transporting the International Atomic Energy Agency (IAEA) expert mission arrives at the Zaporizhzhia Nuclear Power Plant in the course of Ukraine-Russia conflict outside the Russian-controlled city of Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko 

A car transporting members of the International Atomic Energy Agency (IAEA) expert mission drives past a checkpoint upon the arrival at the Russian-controlled Zaporizhzhia Nuclear Power Plant in the course of Ukraine-Russia conflict outside Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko 

A motorcade transporting the International Atomic Energy Agency (IAEA) expert mission, escorted by the Russian military, arrives at the Zaporizhzhia Nuclear Power Plant in the course of Ukraine-Russia conflict outside Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko TPX IMAGES OF THE DAY 

A service member stands guard outside the Russian-controlled Zaporizhzhia Nuclear Power Plant following the arrival of the International Atomic Energy Agency (IAEA) expert mission in the course of Ukraine-Russia conflict outside Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko 

A motorcade transporting the International Atomic Energy Agency (IAEA) expert mission arrives at the Zaporizhzhia Nuclear Power Plant in the course of Ukraine-Russia conflict outside the Russian-controlled city of Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko 

A car transporting members of the International Atomic Energy Agency (IAEA) expert mission drives past a checkpoint upon the arrival at the Zaporizhzhia Nuclear Power Plant in the course of Ukraine-Russia conflict outside the Russian-controlled city of Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko 

A motorcade transporting the International Atomic Energy Agency (IAEA) expert mission arrives at the Zaporizhzhia Nuclear Power Plant in the course of Ukraine-Russia conflict outside the Russian-controlled city of Enerhodar in the Zaporizhzhia region, Ukraine, September 1, 2022. REUTERS/Alexander Ermochenko 

IAEA Director General Rafael Mariano Grossi speaks with journalists as the International Atomic Energy Agency (IAEA) mission departs for a visit to Zaporizhzhia nuclear power plant, amid Russia's invasion of Ukraine, in Zaporizhzhia, Ukraine September 1, 2022. REUTERS/Anna Voitenko 

IAEA Director General Rafael Mariano Grossi leaves a hotel as the International Atomic Energy Agency (IAEA) mission departs for a visit to Zaporizhzhia nuclear power plant, amid Russia's invasion of Ukraine, in Zaporizhzhia, Ukraine September 1, 2022. REUTERS/Anna Voitenko 

IAEA Director General Rafael Mariano Grossi leaves a hotel as the International Atomic Energy Agency (IAEA) mission departs for a visit to Zaporizhzhia nuclear power plant, amid Russia's invasion of Ukraine, in Zaporizhzhia, Ukraine September 1, 2022. REUTERS/Anna Voitenko 

IAEA Director General Rafael Mariano Grossi leaves a hotel as the International Atomic Energy Agency (IAEA) mission departs for a visit to Zaporizhzhia nuclear power plant, amid Russia's invasion of Ukraine, in Zaporizhzhia, Ukraine September 1, 2022. REUTERS/Anna Voitenko 

IAEA Director General Rafael Mariano Grossi speaks with journalists as the International Atomic Energy Agency (IAEA) mission departs for a visit to Zaporizhzhia nuclear power plant, amid Russia's invasion of Ukraine, in Zaporizhzhia, Ukraine September 1, 2022. REUTERS/Anna Voitenko 

IAEA Director General Rafael Mariano Grossi speaks with journalists as the International Atomic Energy Agency (IAEA) mission departs for a visit to Zaporizhzhia nuclear power plant, amid Russia's invasion of Ukraine, in Zaporizhzhia, Ukraine September 1, 2022. REUTERS/Anna Voitenko 

IAEA Director General Rafael Mariano Grossi speaks with journalists as the International Atomic Energy Agency (IAEA) mission departs for a visit to Zaporizhzhia nuclear power plant, amid Russia's invasion of Ukraine, in Zaporizhzhia, Ukraine September 1, 2022. REUTERS/Anna Voitenko 

IAEA Director General Rafael Mariano Grossi speaks with journalists as the International Atomic Energy Agency (IAEA) mission departs for a visit to Zaporizhzhia nuclear power plant, amid Russia's invasion of Ukraine, in Zaporizhzhia, Ukraine September 1, 2022. REUTERS/Anna Voitenko 

Members of International Atomic Energy Agency (IAEA) mission stand by UN vehicles at hotel as they depart for visit to Zaporizhzhia nuclear power plant amid Russia's invasion of Ukraine, in central Kyiv, Ukraine August 31, 2022. REUTERS/Gleb Garanich 

A members of International Atomic Energy Agency (IAEA) mission walks by UN vehicles at hotel as they depart for visit to Zaporizhzhia nuclear power plant amid Russia's invasion of Ukraine, in central Kyiv, Ukraine August 31, 2022. REUTERS/Gleb Garanich 

IAEA Director General Rafael Mariano Grossi speaks with journalists before the International Atomic Energy Agency (IAEA) mission departs for visit to Zaporizhzhia nuclear power plant amid Russia's invasion of Ukraine, in central Kyiv, Ukraine August 31, 2022. REUTERS/Gleb Garanich 

UN vehicles with members of International Atomic Energy Agency (IAEA) mission depart for visit to Zaporizhzhia nuclear power plant amid Russia's invasion of Ukraine, in central Kyiv, Ukraine August 31, 2022. REUTERS/Gleb Garanich 

IAEA Director General Rafael Mariano Grossi gets into a UN car before the International Atomic Energy Agency (IAEA) mission departs for visit to Zaporizhzhia nuclear power plant amid Russia's invasion of Ukraine, in central Kyiv, Ukraine August 31, 2022. REUTERS/Gleb Garanich 

Members of International Atomic Energy Agency (IAEA) mission take pictures near by UN vehicles at hotel as they depart for visit to Zaporizhzhia nuclear power plant amid Russia's invasion of Ukraine, in central Kyiv, Ukraine August 31, 2022. REUTERS/Gleb Garanich 

Members of International Atomic Energy Agency (IAEA) mission stand by UN vehicles at hotel as they depart for visit to Zaporizhzhia nuclear power plant amid Russia's invasion of Ukraine, in central Kyiv, Ukraine August 31, 2022. REUTERS/Gleb Garanich 

IAEA Director General Rafael Mariano Grossi speaks with journalists before the International Atomic Energy Agency (IAEA) mission departs for visit to Zaporizhzhia nuclear power plant amid Russia's invasion of Ukraine, in central Kyiv, Ukraine August 31, 2022. REUTERS/Gleb Garanich 

A member of International Atomic Energy Agency (IAEA) mission, expected to visit Zaporizhzhia nuclear power plant, walks near a hotel in central Kyiv, Ukraine August 30, 2022. REUTERS/Gleb Garanich 

A member of International Atomic Energy Agency (IAEA) mission, expected to visit Zaporizhzhia nuclear power plant, walks near a hotel in central Kyiv, Ukraine August 30, 2022. REUTERS/Gleb Garanich 

A member of International Atomic Energy Agency (IAEA) mission, expected to visit Zaporizhzhia nuclear power plant, walks by UN vehicles near a hotel in central Kyiv, Ukraine August 30, 2022. REUTERS/Gleb Garanich 

A member of International Atomic Energy Agency (IAEA) mission, expected to visit Zaporizhzhia nuclear power plant, walks by UN vehicles near a hotel in central Kyiv, Ukraine August 30, 2022. REUTERS/Gleb Garanich 

A member of International Atomic Energy Agency (IAEA) mission, expected to visit Zaporizhzhia nuclear power plant, stands by a UN vehicle near a hotel in central Kyiv, Ukraine August 30, 2022. REUTERS/Gleb Garanich 

A member of International Atomic Energy Agency (IAEA) mission, expected to visit Zaporizhzhia nuclear power plant, stands by UN vehicles near a hotel in central Kyiv, Ukraine August 30, 2022. REUTERS/Gleb Garanich 

A member of International Atomic Energy Agency (IAEA) mission, expected to visit Zaporizhzhia nuclear power plant, walks by UN vehicles near a hotel in central Kyiv, Ukraine August 30, 2022. REUTERS/Gleb Garanich 

A member of International Atomic Energy Agency (IAEA) mission, expected to visit Zaporizhzhia nuclear power plant, walks near a hotel in central Kyiv, Ukraine August 30, 2022. REUTERS/Gleb Garanich 

International Atomic Energy Agency (IAEA) Director General Rafael Grossi meets with Japanese Foreign Minister Yoshimasa Hayashi during a visit to the tsunami-crippled Fukushima Daiichi nuclear power plant, in Tokyo, Japan May 19, 2022. REUTERS/Issei Kato 

International Atomic Energy Agency (IAEA) Director General Rafael Grossi meets with Japanese Foreign Minister Yoshimasa Hayashi during a visit to the tsunami-crippled Fukushima Daiichi nuclear power plant, in Tokyo, Japan May 19, 2022. REUTERS/Issei Kato 

International Atomic Energy Agency (IAEA) Director General Rafael Grossi speaks to the media as he visits the Chornobyl Nuclear Power Plant in Chornobyl, Ukraine April 26, 2022. REUTERS/Oleksandr Ratushniak 

International Atomic Energy Agency (IAEA) Director General Rafael Grossi speaks to the media as he visits the Chornobyl Nuclear Power Plant in Chornobyl, Ukraine April 26, 2022. REUTERS/Oleksandr Ratushniak 

International Atomic Energy Agency (IAEA) employees walk at a compound of the Chornobyl Nuclear Power Plant in Chornobyl, Ukraine April 26, 2022. REUTERS/Oleksandr Ratushniak 

International Atomic Energy Agency (IAEA) employees are seen at compound of the Chornobyl Nuclear Power Plant in Chornobyl, Ukraine April 26, 2022. REUTERS/Oleksandr Ratushniak 

An International Atomic Energy Agency (IAEA) employee walks at a compound of the Chornobyl Nuclear Power Plant in Chornobyl, Ukraine April 26, 2022. REUTERS/Oleksandr Ratushniak 

Ukraine's President Volodymyr Zelenskiy awards an employee of the Chornobyl Nuclear Power Plant who was under Russian captivity at the plant, during a joint news conference with International Atomic Energy Agency (IAEA) Director General Rafael Grossi, as Russia's attack on Ukraine continues, in Kyiv, Ukraine April 26, 2022. REUTERS//Valentyn Ogirenko 

Ukraine's President Volodymyr Zelenskiy awards an employee of the Chornobyl Nuclear Power Plant who was under Russian captivity at the plant, during a joint news conference with International Atomic Energy Agency (IAEA) Director General Rafael Grossi (not pictured), as Russia's attack on Ukraine continues, in Kyiv, Ukraine April 26, 2022. REUTERS//Valentyn Ogirenko 

Ukraine's President Volodymyr Zelenskiy awards employees of the Chornobyl Nuclear Power Plant who were under Russian captivity at the plant, during a joint news conference with International Atomic Energy Agency (IAEA) Director General Rafael Grossi (not pictured), as Russia's attack on Ukraine continues, in Kyiv, Ukraine April 26, 2022. REUTERS//Valentyn Ogirenko 

International Atomic Energy Agency (IAEA) Director General Rafael Grossi points on a map of a Ukrainian power plant during a news conference in Vienna, Austria March 4, 2022. REUTERS/Leonhard Foeger 

International Atomic Energy Agency (IAEA) Director General Rafael Grossi points on a map of a Ukrainian power plant during a news conference in Vienna, Austria March 4, 2022. REUTERS/Leonhard Foeger TPX IMAGES OF THE DAY 

International Atomic Energy Agency (IAEA) Director General Rafael Grossi points on a map of a Ukrainian power plant during a news conference in Vienna, Austria March 4, 2022. REUTERS/Leonhard Foeger 

International Atomic Energy Agency (IAEA) Director General Rafael Grossi points on a map of a Ukrainian power plant during a news conference in Vienna, Austria March 4, 2022. REUTERS/Leonhard Foeger 

International Atomic Energy Agency (IAEA) Director General Rafael Grossi points on a map of a Ukrainian power plant during a news conference in Vienna, Austria March 4, 2022. REUTERS/Leonhard Foeger 

A general view of the Atom Museum at the Electricite de France (EDF) nuclear power plant in Avoine near Chinon, France, February 18, 2022. REUTERS/Stephane Mahe 

Yuji Onuma, an evacuee from Futaba Town near tsunami-crippled Fukushima Daiichi nuclear power plant, checks blue sheets containing the removed welcome arch with a catchphrase promoting atomic energy on the ground next to Futaba town office in Futaba Town, inside the exclusion zone around the plant, Fukushima Prefecture, Japan February 20, 2020. Picture taken February 20, 2020. REUTERS/Issei Kato 

General view of the Pickering Nuclear Power Generating Station near Toronto, Ontario, Canada April 17, 2019. Picture taken April 17, 2019. REUTERS/Carlos Osorio 

A view of the irradiated fuel bay at the Pickering Nuclear Power Generating Station near Toronto, Ontario, Canada April 17, 2019. Picture taken April 17, 2019. REUTERS/Carlos Osorio 

General view of the Pickering Nuclear Power Generating Station near Toronto, Ontario, Canada April 17, 2019. Picture taken April 17, 2019. REUTERS/Carlos Osorio 

General view of the Pickering Nuclear Power Generating Station near Toronto, Ontario, Canada April 17, 2019. Picture taken April 17, 2019. REUTERS/Carlos Osorio 

General view at the Pickering Nuclear Power Generating Station near Toronto, Ontario, Canada April 17, 2019. Picture taken April 17, 2019. REUTERS/Carlos Osorio 

General view at the Pickering Nuclear Power Generating Station near Toronto, Ontario, Canada April 17, 2019. Picture taken April 17, 2019. REUTERS/Carlos Osorio 

Russian atomic ice-breaker "50 Years of Victory" (50 Let Pobedy) is pictured at a base of state company Rosatomflot in Murmansk, Russia August 22, 2019. REUTERS/Maxim Shemetov 

Russia's floating nuclear power plant Akademik Lomonosov is pictured during preparations for a 4,000-mile journey along the Northern Sea Route to Chukotka at state company Rosatomflot base in Murmansk, Russia August 22, 2019. REUTERS/Maxim Shemetov