這是義大利信基諾水壩的壩牆

This is the Diga del Cingino dam in Italy -

有沒有看到壩牆上有些斑點？
but look closer... see the spots on the dam wall? 

這是歐洲阿爾卑斯山的野山羊，

它們喜歡吃壩牆上的苔蘚、地衣和舔壩牆上的鹽分。

They are European Ibex and they like to eat the moss and lichen & lick the salt off the dam wall.