A broken tower tells pieces mining history

"All things uncomely and broken, all things worn out and old,
The cry of a child by the roadway, the creak of a lumbering cart,
The heavy steps of the ploughman, splashing the wintry mould,
Are wronging your image that blossoms a rose in the deeps of my heart."

(W.B. Yeats in The rose in my heart)
Liège (B)