文字稿:

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 词汇:

snaking 蜿蜒曲折的

swamp 沼泽地

construction sites 建筑工地

young at heart 保持年轻的心态

in the pipeline 正在规划中的