Transcript:

Snaking through Berlin: over 60km of pink pipes.

The city is built on a swamp, and these carry water away from construction sites.

The manufacturer says pink and purple are popular with children and older people who are young at heart.

And with lots more building in the pipeline, these brightly-coloured tubes are likely to be around for some time.

Vocabulary:

snaking v. 曲折行进；疏通；拖曳

swamp n. 沼泽；湿地

construction sites 建筑工地

young at heart 年轻的心，人老心不老

in the pipeline 在运输中；在进行中；在准备中