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| English | Russian |
| crown gem | драгоценный камень в короне (Many old buildings, churches and monasteries were renovated during that period. That investment has led to a city that remains a crown gem among France’s oldest cities. ART Vancouver) |
| technological gem | техническое совершенство (Sergei Aprelikov) |
| technological gem | технический шедевр (Sergei Aprelikov) |