Ikolojia ya Jiji Kubwa
From March 12, 2025 until March 14, 2025
Katika Saint Petersburg - Expoforum, Saint Petersburg, Russia
Imetumwa na Canton Fair Net
https://ecology.expoforum.ru/en/
Jamii: Huduma za Mazingira
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Ikolojia ya Jiji Kubwa 2024
Tazama Jukwaa mnamo 2023.