In Photos: A-bomb survivor's international quest to abolish nuclear weapons

Takashi Miyata, second from right, speaks with other participants in an event organized by a nongovernmental organization in Vienna, in this photo provided by Miyata. He is wearing a bib bearing the word "Hibakusha," or A-bomb survivor.

Takashi Miyata, foreground left, calls out to a passerby in Vienna, where he visited during the first meeting of states parties to the U.N. Treaty on the Prohibition of Nuclear Weapons in June 2022, in this photo provided by Miyata.

Takashi Miyata, left, answers ardent questions from a British man in Vienna, in this photo provided by Miyata.

Takashi Miyata reports on his activities in Vienna, where the first meeting of states parties to the United Nations Treaty on the Prohibition of Nuclear Weapons was held in June, during a gathering calling for a ban on nuclear weapons, in the city of Nagasaki on July 24, 2022. (Mainichi/Atsuki Nakayama)

Takashi Miyata reports on his activities in Vienna, where the first meeting of states parties to the United Nations Treaty on the Prohibition of Nuclear Weapons was held in June, during a gathering calling for a ban on nuclear weapons, in the city of Nagasaki on July 24, 2022. (Mainichi/Atsuki Nakayama)

Takashi Miyata reports on his activities in Vienna, where the first meeting of states parties to the United Nations Treaty on the Prohibition of Nuclear Weapons was held in June, during a gathering calling for a ban on nuclear weapons, in the city of Nagasaki on July 24, 2022. (Mainichi/Atsuki Nakayama)

Takashi Miyata speaks about the devastation wrought by the atomic bombing, in Unzen, Nagasaki Prefecture, on July 26, 2022. (Mainichi/Atsuki Nakayama)

Takashi Miyata talks about his enthusiasm for eliminating nuclear weapons, in Unzen, Nagasaki Prefecture, on July 26, 2022. (Mainichi/Atsuki Nakayama)