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| Russian | English |
| серия укреплений | landmark (The Great Wall of China is a landmark of fortifications that were built on the historic northern borders of ancient Chinese states.  znanierussia.ru hazadela) |
|
| Russian | English |
| серия укреплений | landmark (The Great Wall of China is a landmark of fortifications that were built on the historic northern borders of ancient Chinese states. znanierussia.ru hazadela) |