To build a settlement on flatland - is this such a hard trick to pull off? A completely different story is when land is self-willed and rock-ribbed both directly and metaphorically speaking. People have been trying to master land and have own say in in-rock urban development for centuries. But only those who succeded in finding common ground with Earth managed to create true novels in stone.

Spain is lavish in architecturally rich cities. But there are special among them: the ones where monuments of the past and daily life of contemporaries are intertwined so tightly and unexpectedly at times that the city seems to be living in two worlds. Today OUTLOOK suggests you enjoy one of them – Salamanca: the city where frog brings all kinds of luck.