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Blue Whale

Kingdom wildlife

Natural stone in the world of known deposits and extraction method

Potential lifespan of trees cut in the dozens of times humanity

Mulberry

Perch River

Plants of South America

Mineral resources of Russia and their importance

Reserves of Russia - the prospect of survival

Lazovsky nature reserve - a tale of Primorsky Krai

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The worst people: how are such
An excursion in the Tauride Palace
The material needs of man - examples, characteristics