La Pedrera or "the quarry", is an apartment building at Passeig de Gràcia No. 92 (at the intersection with Carrer de Provença). The structure took four years to build, between 1906-1910 and it was constructed for the Mila family. Internationally celebrated, Casa Mila is a prime example of Gaudi's civil architecture; a real example of form following function that aesthetically appealing as well as outstandingly practical.