The electricity produced feeds into the line's infrastructure, for lighting, signals and in-train power points.

太阳能产生的电力主要用于照明、信号、车内电源等铁路基础设施的电源供给。

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All 15 carriages were buried in snow and more than 1,400 passengers were stranded in the train without lighting and heating.

当地铁路局称，所有15节车厢被掩埋在雪中，1400多名乘客滞留其中，没有光和热量。

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Many reported stifling temperatures on board the stranded train, with toilets not working and staff struggling to find emergency lighting.

BBC: Delayed passengers arrive at St Pancras