Wowereit said that Berlin and Beijing maintain close ties with frequent bilateral exchanges and friendly cooperation.

沃沃莱特表示，柏林同北京保持着密切联系，双方交往频繁，友好合作顺利。

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Wowereit added that the project is meant to teach them about that time in history and to encourage them to break down walls and barriers wherever they may be.

VOA: standard.2009.11.09

Berlin's mayor,Klaus Wowereit, unveiled the exhibit.

VOA: standard.2009.11.09

Mr Wowereit, a Social Democrat, strives to channel the city's edginess while reassuring Berliners weary of change.

ECONOMIST: To stay sexy, must the German capital remain poor?

Yes, says Klaus Wowereit, who has been mayor of Berlin in alliance with the former communists for several years.

ECONOMIST: Germany's election

The challenge for Mr Wowereit is to balance the interests of Berlin's new elite with those of ordinary folk.

ECONOMIST: Berlin