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Light day in Moscow and St. Petersburg

What to eat hedgehogs?

What is a planet?

The currents of the oceans - and the movement of life

The urchins feed on in winter, and even something about the animals with spines

What is a rainbow?

Do you know where the Earth's magnetic poles

Why is mass death of birds

Snow Leopard - the inhabitants of the mountains

The snakes eat, how they live and what are dying

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