In this handout photo released by Russian Foreign Ministry, Russian Foreign Minister Sergey Lavrov, left, and Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), are seen during their meeting, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599639
In this handout photo released by Russian Foreign Ministry, Russian Foreign Minister Sergey Lavrov, left, and Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), shake hands during their meeting, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599635
In this handout photo released by Russian Foreign Ministry, Russian Foreign Minister Sergey Lavrov, left, and Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), attend a meeting, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599632
In this handout photo released by Russian Foreign Ministry, Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), is seen during a meeting with Russian Foreign Minister Sergey Lavrov, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599628
In this handout photo released by Russian Foreign Ministry, Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), left, listens to Russian Deputy Foreign Minister Sergey Ryabkov during a meeting with Russian Foreign Minister Sergey Lavrov, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599624
In this handout photo released by Russian Foreign Ministry, Russian Foreign Minister Sergey Lavrov, left, and Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), shake hands during their meeting, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599618
In this handout photo released by Russian Foreign Ministry, Russian Foreign Minister Sergey Lavrov, left in center, and Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), attend a meeting, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599617
In this handout photo released by Russian Foreign Ministry, Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), meets with Russian Foreign Minister Sergey Lavrov, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599613
In this handout photo released by Russian Foreign Ministry, Russian Foreign Minister Sergey Lavrov speaks during a meeting with Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599611
In this handout photo released by Russian Foreign Ministry, Russian Foreign Minister Sergey Lavrov, left, and Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), attend a meeting, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599607
In this handout photo released by Russian Foreign Ministry, Russian Foreign Minister Sergey Lavrov, left, and Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), shake hands during their meeting, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599601
In this handout photo released by Russian Foreign Ministry, Russian Foreign Minister Sergey Lavrov, left, and Lassina Zerbo, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), shake hands during their meeting, in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2021#6599599
