wèi le / jiǎn shǎo / guāng wū rǎn / hěn duō / chéng shì / kāi shǐ / xiàn zhì / yè jǐng / dēng guāng

为了减少光污染，很多城市开始限制夜景灯光。

In order to reduce light pollution, many cities have begun to restrict night-time lighting.