The official in charge of the state-run property, Christophe Tardieu, said the fish were seen as a more eco-friendly option to combat the algae eating away at the centuries-old fountains.

• 负责管理此国有资产的政府官员克里斯多福．塔帝厄表示，对抗侵蚀有数百年历史的喷水池的水藻，鱼是比较环保的作法。