Vienna is a beautiful old city on the River Danube in the center of Europe.

维也纳是欧洲中部多瑙河畔的一座美丽的古城。

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Stay overnight in a concrete sewer pipe on the banks of the River Danube.

在多瑙河河畔的混凝土下水管里住一夜吧！

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Vienna is a beautiful old city on the River Danube in the centre of Europe.

维也纳是位于欧洲中部多瑙河畔的一座古老而美丽的城市。

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It's estimated the red cloud of heavy metals is now affecting a 30km (19-mile) stretch of the River Danube.

BBC: Toxic sludge carpets homes in Hungary

The River Danube - already swollen to record levels - burst its banks in the capital Vienna on Tuesday.

BBC: Battered Prague hopes for respite

The government froze plans to finish the plant at Belene last year, when work at the site on the southern bank of the River Danube was already well under way.

BBC: Bulgaria set for nuclear power referendum