Taisia Tret'yakova, a student of the 11th grade of the

Taisia Tret'yakova, a student of the 11th grade of the

Coverage (3 sources)

• Moscow schoolchildren received awards at the international ecological olympiad — Мэр Москвы Сергей Собянин
• Sobyanin: Moscow schoolchildren won four medals at the ecological olympiad — Вечерняя Москва
• Moscow schoolchildren received awards at the international ecology olympiad — НТВ Москва

Key entities

• Moscow
• Sergei Sobyanin
• Sirius
• Taisia Tret'yakova
• Anna Glazkova
• Russia
• NIU HSE

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